Johnny Galecki Photos

  • Johnny Galecki - 66th Primetime Emmy Awards in Los Angeles, California, August 25, 2014
    Photo By: Kyle Rover/startraksphoto.com
  • Johnny Galecki and Kelli Garner - 19th Annual Screen Actors Guild Awards in Los Angeles, California, January 27, 2013
    Photo By: Frazer Harrison/Getty Images
  • Johnny Galecki - 70th Annual Golden Globe Awards in Beverly Hills, California, Januay 13, 2013
    Photo By: Jeff Vespa/WireImage
  • Kelli Garner and Johnny Galecki -64th Annual Primetime Emmy Awards in Los Angeles, September 23, 2012
    Photo By: Mario Anzuoni/Landov
  • Johnny Galecki - The 61st Primetime Emmy Awards, September 20, 2009
    Photo By: Jeff Vespa/WireImage.com
  • Johnny Galecki and guest - Tony Awards, June 10, 2007
    Photo By: Kevin Mazur/WireImage.com
  • The Big Bang Theory - Season 8 - "The Skywalker Incursion"- Mayim Bialik, Kaley Cuoco-Sweeting and Johnny Galecki
    Photo By: Michael Ansell/Warner Bros. Entertainment Inc.
  • The Big Bang Theory - Season 8 - "The Leftover Thermalization" - Jim Parsons, Kevin Sussman, Kaley Cuoco-Sweeting, Johnny Galecki and Melissa Rauch
    Photo By: Neil Jacobs/CBS
  • The Big Bang Theory - Season 8 - "The Leftover Thermalization" - Jim Parsons and Johnny Galecki
    Photo By: Neil Jacobs/CBS
  • The Big Bang Theory - Season 8 - "The Intamacy Acceleration" - Johnny Galecki, Mayim Bialik, Kunal Nayyar and Laura Spencer
    Photo By: Monty Brinton/CBS
  • The Big Bang Theory - Season 8 - "The Comic Book Store Regeneration" - Nathan Fillion, Johnny Galecki and Kunal Nayyar
    Photo By: Monty Brinton/CBS
  • The Big Bang Theory - Season 8 - "The Comic Book Store Regeneration" - Kunal Nayyar, Kevin Sussman, Mayim Bialik, Jim Parsons, Johnny Galecki and Kaley Cuoco-Sweeting
    Photo By: Monty Brinton/CBS
  • The Big Bang Theory - Season 8 - "The Troll Manifestation" - Johnny Galecki and Kaley Cuoco-Sweeting
    Photo By: Michael Yarish/Warner Bros. Entertainment Inc.
  • The Big Bang Theory - Season 8 - "The Troll Manifestation" - Johnny Galecki and Jim Parsons
    Photo By: Michael Yarish/Warner Bros. Entertainment Inc.
  • The Big Bang Theory - Season 8 - "The Anxiety Optimization" - Kunal Nayyar, Simon Helberg and Johnny Galecki
    Photo By: Michael Yarish/Warner Bros. Entertainment Inc.
  • The Big Bang Theory - Season 7 - "The Anything Can Happen Recurrence" - Melissa Rauch, Jim Parsons and Mayim Bialik
    Photo By: Michael Yarish/CBS
  • The Big Bang Theory - Season 7 - "The Proton Transmogrification" - Mayim Bialik, Melissa Rauch, Johnny Galecki, Simon Helberg, Jim Parsons, Kunal Nayyar and Kaley Cuoco-Sweeting
    Photo By: Sonja Flemming/CBS
  • The Big Bang Theory - Season 7 - "The Proton Transmogrification" - Johnny Galecki, Kaley Cuoco-Sweeting
    Photo By: Sonja Flemming/CBS
  • The Big Bang Theory - Season 7 - "The Proton Transmogrification" - Johnny Galecki, Jim Parsons
    Photo By: Sonja Flemming/CBS
  • The Big Bang Theory - Season 7 - "The Proton Transmogrification" - Jim Parsons, Johnny Galecki
    Photo By: Sonja Flemming/CBS
  • The Big Bang Theory - Season 7 - "The Indecision Amalgamation" - Kunal Nayyar, Kaley Cuoco-Sweeting and Johnny Galecki
    Photo By: Michael Yarish/Warner Bros. Entertainment Inc.
  • The Big Bang Theory - Season 7 - "The Indecision Amalgamation"- Kaley Cuoco-Sweeting, Johnny Galecki and Wil Wheaton
    Photo By: Michael Yarish/Warner Bros. Entertainment Inc.
  • The Big Bang Theory - Season 7 - "The Mommy Observation" - Melissa Rauch, Mayim Bialik, Kunal Nayyar, Johnny Galecki, Kaley Cuoco-Sweeting and Kevin Sussman
    Photo By: Michael Yarish/Warner Bros. Entertainment Inc.
  • The Big Bang Theory - Season 7 - "The Mommy Observation" - Melissa Rauch, Mayim Bialik, Johnny Galecki and Kaley Cuoco-Sweeting
    Photo By: Michael Yarish/Warner Bros. Entertainment Inc.
  • The Big Bang Theory - Season 7 - "The Friendship Turbulence" - Kaley Cuoco-Sweeting and Johnny Galecki
    Photo By: Michael Yarish/Warner Bros. Entertainment Inc.
  • The Big Bang Theory - Season 7 - "The Table Polarization" - Kaley Cuoco and Johnny Galecki
    Photo By: Michael Yarish/Warner Bros. Entertainment Inc.
  • The Big Bang Theory - Season 7 - "The Table Polarization" - Simon Helberg, Kaley Cuoco, Melissa Rauch, Mayim Bialik, Jim Parsons, Johnny Galecki and Nunal Nayyar
    Photo By: Michael Yarish/Warner Bros. Entertainment Inc.
  • The Big Bang Theory - Season 7 - "The Locomotive Manipulation" - Johnny Galecki, Kaley Cuoco, Kunal Nayyar and Tania Raymonde
    Photo By: Michael Yarish/Warner Bros. Entertainment
  • The Big Bang Theory - Season 7 - "The Locomotive Manipulation" - Kaley Cuoco and Johnny Galecki
    Photo By: Michael Yarish/Warner Bros. Entertainment
  • The Big Bang Theory - Season 7 - "The Convention Conundrum" - Simon Helberg, Johnny Galecki and Nunal Nayyar
    Photo By: Robert Voets/CBS
  • The Big Bang Theory - Season 7 - "The Convention Conundrum" - Simon Helberg, Johnny Galecki, Jim Parsons and Kunal Nayyar
    Photo By: Robert Voets/CBS
  • Big Bang Theory - Season 7 - "The Occupation Recalibration" - Jim Parsons and Johnny Galecki
    Photo By: Monty Brinton/CBS
  • The Big Bang Theory - Season 7 - The Hesitation Ramification" - Kaley Cuoco, Johnny Galecki and Mayim Bialik
    Photo By: Michael Yarish/Warner Bros. Entertainment
  • The Big Bang Theory - Season 7 - The Hesitation Ramification" - Johnny Galecki and Jim Parsons
    Photo By: Michael Yarish/Warner Bros. Entertainment
  • The Big Bang Theory - Season 7 - The Hesitation Ramification" - Kaley Cuoco and Johnny Galecki
    Photo By: Michael Yarish/Warner Bros. Entertainment
  • The Big Bang Theory - Season 7 - The Hesitation Ramification" - Simon Helberg, Melissa Rauch, Mayim Bialik, Kunal Nayyar, Jim Parsons, Johnny Galecki, Kaley Cuoco and Kevin Sussman
    Photo By: Michael Yarish/Warner Bros. Entertainment
  • The Big Bang Theory - Season 7 - "The Cooper Extraction" - Kaley Cuoco and Johnny Galecki
    Photo By: Sonja Flemming/CBS
  • The Big Bang Theory - Season 7 - "The Cooper Extraction" - Mayim Bialik, Kaley Cuoco, Johnny Galecki, Kunal Nayyar and Simon Helberg
    Photo By: Sonja Flemming/CBS
  • The Big Bang Theory - Season 7 - "The Discovery Dissipation" - John Ross Bowie, Johnny Galecki and Jim Parsons
    Photo By: Michael Yarish/Warner Bros. Entertainment
  • The Big Bang Theory - Season 7 - "The Thanksgiving Decoupling" - Johnny Galecki and Kaley Cuoco
    Photo By: Cliff Lipson/CBS
  • The Big Bang Theory - Season 7 - "The Itchy Brain Simulation" - Johnny Galecki and Jim Parsons
    Photo By: Michael Yarish/Warner Bros. Entertainment
  • The Big Bang Theory - Season 7 - "The Itchy Brain Simulation" - Simon Helberg, Jim Parsons, Kunal Nayyar and Johnny Galecki
    Photo By: Michael Yarish/Warner Bros. Entertainment
  • The Big Bang Theory - Season 7 - "The Proton Replacement" - Bill Nye, Bob Newhart and Johnny Galecki
    Photo By: Monty Brinton/CBS
  • The Big Bang Theory - Season 7 - "The Proton Replacement" - Johnny Galecki and Bob Newhart
    Photo By: Monty Brinton/CBS
  • The Big Bang Theory - Season 7 - "The Proton Replacement" - Johnny Galecki, Mayim Bialik, Jim Parsons and Bob Newhart
    Photo By: Monty Brinton/CBS
  • The Big Bang Theory - Season 7 - "The Scavenger Vortex" - Johnny Galecki, Melissa Rauch, Simon Helberg and Mayim Bialik
    Photo By: Cliff Lipson/CBS
  • The Big Bang Theory - Season 7 - "The Scavenger Vortex" - Simon Helberg, Mayim Bialik, Kaley Cuoco, Jim Parsons, Johnny Galecki, Melissa Rauch and Kunal Nayyar
    Photo By: Cliff Lipson/CBS
  • The Big Bang Theory - Season 7 - "The Scavenger Vortex" - Simon Helberg, Mayim Bialik, Kaley Cuoco, Jim Parsons and Johnny Galecki
    Photo By: Cliff Lipson/CBS
  • The Big Bang Theory - Season 7 - "The Raiders Minimization" - Jim Parsons, Kunal Nayyar, Johnny Galecki, Simon Helberg
    Photo By: Michael Yarish/CBS
  • The Big Bang Theory - Season 7 - "The Scavenger Vortex" - Jim Parsons, Kaley Cuoco, Johnny Galecki and Melissa Rauch
    Photo By: Sonja Flemming/CBS
  • The Big Bang Theory - Season 7 - "The Raiders Minimization" - Kaley Cuoco, Johnny Galecki
    Photo By: Michael Yarish/CBS
  • The Big Bang Theory - Season 7 - "The Raiders Minimization" - Johnny Galecki, Kaley Cuoco
    Photo By: Michael Yarish/CBS
  • The Big Bang Theory - Season 6 - "The Love Spell Potential" - Kunal Nayyar, Johnny Galecki, Jim Parsons and Simon Helberg
    Photo By: Monty Brinton/CBS
  • The Big Bang Theory - Season 6 - "The Love Spell Potential" - Johnny Galecki, Kaley Cuoco, Mayim Bialik, Jim Parsons Melissa Rauch and Simon Helberg
    Photo By: Monty Brinton/CBS
  • The Big Bang Theory - Season 6 - "The Bon Voyage Reaction" - Simon Helberg, Melissa Rauch, Mayim Bialik, Jim Parsons and Johnny Galecki
    Photo By: Robert Voets/CBS
  • The Big Bang Theory - Season 6 - "The Closet Reconfiguration" - Johnny Galecki, Kaley Cuoco, Mayim Bialik, Jim Parsons and Kunal Nayyar
    Photo By: Michael Yarish/CBS
  • The Big Bang Theory - Season 6 - "The Closet Reconfiguration" - Johnny Galecki, Kaley Cuoco, Mayim Bialik and Jim Parsons
    Photo By: Michael Yarish/CBS
  • The Big Bang Theory - Season 6 - "The Closet Reconfiguration" - Jim Parsons and Johnny Galecki
    Photo By: Michael Yarish/CBS
  • The Big Bang Theory - Season 6 - "The Proton Resurgence" - Jim Parsons, Kaley Cuoco, Bob Newhart and Johnny Galecki
    Photo By: Michael Yarish/CBS
  • The Big Bang Theory - Season 6 - "The Proton Resurgence"- Kaley Cuoco, Bob Newhart, Jim Parsons and Johnny Galecki
    Photo By: Michael Yarish/CBS
  • The Big Bang Theory - Season 6 - "The Tenure Turbulence" - Johnny Galecki, Regina King and John Ross Bowie
    Photo By: Michael Yarish/CBS
  • The Big Bang Theory - Season 6 - "The Spoiler Alert Segmentation" - Johnny Galecki, Kaley Cuoco, Mayim Bialik, Jim Parsons
    Photo By: Sonja Flemming/CBS
  • The Big Bang Theory - Season 6 - "The Tangible Affection Proof" - Melissa Rauch, Simon Helberg, Johnny Galecki, Kaley Cuoco
    Photo By: Michael Yarish/CBS
  • The Big Bang Theory - Season 6 - "The Bakersfield Expedition" - Kunal Nayyar, Jim Parsons, Johnny Galecki and Simon Helberg
    Photo By: CBS
  • The Big Bang Theory - Season 6 - "The Bakersfield Expedition" - Simon Helberg, Kunal Nayyar, Johnny Galecki, and Jim Parsons
    Photo By: Monty Brinton/CBS
  • The Big Bang Theory - Season 6 - "The Tangible Affection Proof" - Kaley Cuoco, Johnny Galecki
    Photo By: Michael Yarish/CBS
  • The Big Bang Theory - Season 5 - "The Countdown Reflection" - Kunal Nayyar, Melissa Rauch, Mayim Bialik, Jim Parsons, Johnny Galecki, Kaley Cuoco
    Photo By: Michael Yarish/CBS
  • The Big Bang Theory - Season 5 - "The Countdown Reflection" - Johnny Galecki and Jim Parsons
    Photo By: Michael Yarish/CBS
  • The Big Bang Theory - Season 5 - "The Transporter Malfunction" - Melissa Rauch, Johnny Galecki, Leonard Nimoy and Jim Parsons (back row) Kunal Nayyar, Simon Helberg and Kaley Cuoco
    Photo By: Monty Brinton/CBS
  • The Big Bang Theory - Season 5 - "The Transporter Malfunction" - Kaley Cuoco, Johnny Galecki, Jim Parsons
    Photo By: Monty Brinton/CBS
  • The Big Bang Theory - Season 5 - "The Transporter Malfunction" - Kunal Nayyar, Jim Parsons, Johnny Galecki, Simon Helberg
    Photo By: Monty Brinton/CBS
  • The Big Bang Theory - Season 5 - "The Transporter Malfunction" - Johnny Galecki, Jim Parsons
    Photo By: Monty Brinton/CBS
  • The Big Bang Theory - Season 5 - "The Weekend Vortex" - Jim Parsons, Johnny Galecki, Kaley Cuoco
    Photo By: Cliff Lipson/CBS
  • The Big Bang Theory - Season 5 - "The Werewolf Transformation" - Jim Parsons, Mayim Bialik, Johnny Galecki, Kaley Cuoco
    Photo By: Michael Yarish/CBS
  • The Big Bang Theory - Season 5 - "The Werewolf Transformation" - Kaley Cuoco and Johnny Galecki
    Photo By: Michael Yarish/CBS
  • The Big Bang Theory - Season 5 - "The Werewolf Transformation" - Johnny Galecki, Kaley Cuoco, Jim Parsons
    Photo By: Michael Yarish/CBS
  • The Big Bang Theory - Season 5 - "The Friendship Contraction" - Johnny Galecki, Kaley Cuoco
    Photo By: Michael Yarish/CBS
  • The Big Bang Theory - Season 5 - "The Friendship Contraction" - Kaley Cuoco, Johnny Galecki, Jim Parsons
    Photo By: Michael Yarish/CBS
  • The Big Bang Theory - Season 5 - "The Friendship Contraction" - Kunal Nayyar, Simon Helberg, Melissa Rauch, Mayim Bialik, Johnny Galecki, Kaley Cuoco
    Photo By: Michael Yarish/CBS
  • The Big Bang Theory - Season 5 - "The Weekend Vortex" - Simon Helberg, Melissa Rauch, Jim Parsons, Johnny Galecki, Kunal Nayyar
    Photo By: Cliff Lipson/CBS
  • The Big Bang Theory - Season 5 - "The Weekend Vortex" - Simon Helberg, Jim Parsons, Johnny Galecki, Kunal Nayyar
    Photo By: Cliff Lipson/CBS
  • The Big Bang Theory - Season 5 - "The Weekend Vortex" - Jim Parsons, Simon Helberg, Johnny Galecki
    Photo By: Cliff Lipson/CBS
  • The Big Bang Theory - Season 5 - "The Weekend Vortex" - Jim Parsons, Simon Helberg, Johnny Galecki, Kunal Nayyar
    Photo By: Cliff Lipson/CBS
  • The Big Bang Theory - Season 5 - "The Werewolf Transformation" - Simon Helberg, Kunal Nayyar, Jim Parsons, Johnny Galecki
    Photo By: Michael Yarish/CBS
  • The Big Bang Theory - Season 5 - "The Friendship Contraction" - Johnny Galecki, Kunal Nayyar, Simon Helberg, Jim Parsons
    Photo By: Michael Yarish/CBS
  • The Big Bang Theory - Season 5 - "The Werewolf Transformation" - Peter Onorati, Johnny Galecki, Jim Parsons
    Photo By: Michael Yarish/CBS
  • The Big Bang Theory - Season 5 - "The Friendship Contraction" - Jim Parsons, Johnny Galecki
    Photo By: Michael Yarish/CBS
  • The Big Bang Theory - Season 5 - "The Friendship Contraction" - Jim Parsons, Johnny Galecki
    Photo By: Michael Yarish/CBS
  • The Big Bang Theory - Season 5 - "The Friendship Contraction" - Jim Parsons, Johnny Galecki
    Photo By: Michael Yarish/CBS
  • The Big Bang Theory - Season 5 - "The Speckerman Recurrence" - Johnny Galecki, Lance Barber
    Photo By: Monty Brinton/CBS
  • The Big Bang Theory - Season 5 - "The Rhinitis Revelation" - Kunal Nayyar, Simon Helberg, Johnny Galecki, Jim Parsons, Laurie Metcalf and Kaley Cuoco
    Photo By: Sonja Flemming/CBS
  • The Big Bang Theory - Season 5 - "The Rhinitis Revelation" - Kunal Nayyar, Simon Helberg, Johnny Galecki, Laurie Metcalf, Kaley Cuoco
    Photo By: Sonja Flemming/CBS
  • The Big Bang Theory - Season 5 - "The Beta Test Initiation" - Johnny Galecki, Mayim Bialik, Jim Parsons
    Photo By: Monty Brinton/ CBS
  • The Big Bang Theory - Season 5 - "The Flaming Spittoon Acquisition" - Johnny Galecki, Jim Parsons, Simon Helberg, Kunal Nayyar
    Photo By: Michael Ansell/CBS
  • The Big Bang Theory - Season 5 - "The Speckerman Recurrence" - Jim Parsons, Johnny Galecki, Kunal Nayyar, Simon Helberg
    Photo By: Monty Brinton/CBS
  • The Big Bang Theory - Season 5 - "The Speckerman Recurrence" - Johnny Galecki, Jim Parsons, Kunal Nayyar, Simon Helberg
    Photo By: Monty Brinton/CBS
  • The Big Bang Theory - Season 5 - "The Recombination Hypothesis" - Jim Parsons, Kunal Nayyar, Simon Helberg, Johnny Galecki
    Photo By: Robert Voets/CBS
  • The Big Bang Theory - Season 5 - "The Isolation Permutation" - Johnny Galecki and Jim Parsons
    Photo By: Michael Yarish/CBS
  • The Big Bang Theory - Season 5 - "The Ornithophobia Diffusion" - Johnny Galecki, Kaley Cuoco
    Photo By: Michael Yarish/CBS
  • The Big Bang Theory - Season 5 - "The Speckerman Recurrence" - Kaley Cuoco, Johnny Galecki, Jim Parsons
    Photo By: Monty Brinton/CBS
  • The Big Bang Theory - Season 5 - "The Recombination Hypothesis" - Jim Parsons, Johnny Galecki
    Photo By: Robert Voets/CBS
  • The Big Bang Theory - Season 5 - "The Recombination Hypothesis" - Johnny Galecki, Kaley Cuoco
    Photo By: Robert Voets/CBS
  • The Big Bang Theory - Season 5 - "The Beta Test Initiation" - Johnny Galecki, Kaley Cuoco
    Photo By: Monty Brinton/ CBS
  • The Big Bang Theory - Season 5 - "The Beta Test Initiation" - Johnny Galecki, Kaley Cuoco
    Photo By: Monty Brinton/ CBS
  • The Big Bang Theory - Season 5 - "The Russian Rocket Reaction" - Wil Wheaton, Jim Parsons, Johnny Galecki, Kunal Nayyar
    Photo By: Monty Brinton/CBS
  • The Big Bang Theory - Season 5 - "The Russian Rocket Reaction" - Brent Spiner, Wil Wheaton, Jim Parsons, Johnny Galecki
    Photo By: Monty Brinton/CBS
  • The Big Bang Theory - Season 5 - "The Russian Rocket Reaction" - Jim Parsons, Johnny Galecki, Kunal Nayyar
    Photo By: Monty Brinton/CBS
  • The Big Bang Theory - Season 5 - "The Good Guy Fluctuation" - Kevin Sussman, Simon Helberg, Johnny Galecki
    Photo By: Monty Brinton/CBS
  • The Big Bang Theory - Season 5 - "The Good Guy Fluctuation" - Jim Parsons, Johnny Galecki, Kaley Cuoco
    Photo By: Monty Brinton/CBS
  • The Big Bang Theory - Season 5 - "The Russian Rocket Reaction" - Jim Parsons, Johnny Galecki
    Photo By: Monty Brinton/CBS
  • The Big Bang Theory - Season 5 - "The Good Guy Fluctuation" - Courtney Ford, Johnny Galecki
    Photo By: Monty Brinton/CBS
  • The Big Bang Theory - Season 5 - "The Skank Reflex Analysis" - Jim Parsons, Kunal Nayyar, Johnny Galecki, Simon Helberg
    Photo By: Cliff Lipson/CBS
  • The Big Bang Theory - Season 5 - "The Skank Reflex Analysis" - Jim Parsons, Kunal Nayyar, Johnny Galecki, Simon Helberg
    Photo By: Cliff Lipson/CBS
  • The Big Bang Theory - Season 5 - "The Skank Reflex Analysis" - Simon Helberg, Jim Parsons, Johnny Galecki, Kaley Cuoco, Kunal Nayyar
    Photo By: Cliff Lipson/CBS
  • The Big Bang Theory - Season 5 - "The Skank Reflex Analysis"- Kunal Nayyar, Melissa Rauch, Simon Helberg, Jim Parsons, Mayim Bialik, Johnny Galecki, Kaley Cuoco
    Photo By: Cliff Lipson/CBS
  • The Big Bang Theory - Season 5 - "The Infestation Hypothesis" - Simon Helberg as Howard, Kunal Nayyar as Raj, Johnny Galecki as Leonard
    Photo By: Adam Taylor/Warner Bros./CBS
  • The Big Bang Theory - Season 5 - "The Pulled Groin Extrapolation" - Kaley Cuoco as Penny, Mayim Bialik as Amy, Johnny Galecki as Leonard
    Photo By: Richard Cartwright/CBS
  • The Big Bang Theory - Season 5 - "The Pulled Groin Extrapolation" - Mayim Bialik as Amy, Johnny Galecki as Leonard
    Photo By: Richard Cartwright/CBS
  • The Big Bang Theory - Season 5 - "The Pulled Groin Extrapolation" - Mayim Bialik as Amy, Johnny Galecki as Leonard
    Photo By: Richard Cartwright/CBS
  • The Big Bang Theory - Season 5 - "The Pulled Groin Extrapolation" - Mayim Bialik as Amy, Johnny Galecki as Leonard
    Photo By: Richard Cartwright/CBS
  • The Big Bang Theory - Season 5 - "The Infestation Hypothesis" - Jim Parsons as Sheldon, Johnny Galecki as Leonard
    Photo By: Adam Taylor/Warner Bros./CBS
  • The Big Bang Theory - Season 5 - "The Pulled Groin Extrapolation" - Jim Parsons as Sheldon, Johnny Gaelcki as Leonard
    Photo By: Richard Cartwright/CBS
  • Entourage - Season 8 - "The End" - Melinda Clarke, Kevin Connolly, Johnny Galecki and Emmanuelle Chriqui
    Photo By: Caludette Barius/HBO
  • "The Big Bang Theory" - Season 4 - "The Herb Garden Germination" - Jim Parsons, Johnny Galecki
    Photo By: Justina Mintz/CBS
  • "The Big Bang Theory" - Season 4 - "The Herb Garden Germination" - Jim Parsons, Johnny Galecki
    Photo By: Justina Mintz/CBS
  • "The Big Bang Theory" - Season 4 - "The Zarnecki Incursion" - Johnny Galecki, Kunal Nayyar, Jim Parsons, Simon Helberg
    Photo By: Chuck Zlotnick/CBS
  • "The Big Bang Theory" - Season 4 - "The Zarnecki Incursion" - Kunal Nayyar, Simon Helberg, Jim Parsons, Johnny Galecki
    Photo By: Chuck Zlotnick/CBS
  • The Big Bang Theory - Season 4 - "The Prestidigitation Approximation" - Johnny Galecki, Aarti Mann, Kaley Cuoco
    Photo By: Monty Brinton/CBS
  • The Big Bang Theory - Season 4 - "The Prestidigitation Approximation" - Johnny Galecki, Kaley Cuoco
    Photo By: Monty Brinton/CBS
  • The Big Bang Theory - Season 4 - "The Cohabitation Formulation" - Jim Parsons, Simon Helberg, Johnny Galecki, Kunal Nayyar, Aarti Mann
    Photo By: Monty Brinton/CBS
  • The Big Bang Theory - Season 4 - "The Cohabitation Formulation" - Johnny Galecki, Aarti Mann, Jim Parsons
    Photo By: Monty Brinton/CBS
  • The Big Bang Theory - Season 4 - The Prestidigitation Approximation" - Johnny Galecki, Jim Parsons
    Photo By: Monty Brinton/CBS
  • The Big Bang Theory - Season 4 - "The Prestidigitation Approximation" - Johnny Galecki, Aarti Mann
    Photo By: Monty Brinton/CBS
  • The Big Bang Theory - Season 4 - "The Justice League Recombination" - Kunal Nayyar, Simon Helberg, Kaley Cuoco, Brian Thomas Smith, Johnny Galecki and Jim Parsons
    Photo By: Cliff Lipson/CBS
  • The Big Bang Theory - Season 4 - "The Love Car Displacement" - Kaley Cuoco, Johnny Galecki
    Photo By: Cliff Lipson/CBS
  • The Big Bang Theory - Season 4 - "The Thespian Catalyst" - Kunal Nayyar, Melissa Rauch, Johnny Galecki
    Photo By: Sonja Flemming/CBS
  • The Big Bang Theory - Season 4 - "The Desperation Emanation" - Johnny Galecki, Charlotte Newhouse
    Photo By: Sonja Flemming/CBS
  • The Big Bang Theory - Season 4 - "The Boyfriend Complexity" - Keith Carradine, Johnny Galecki
    Photo By: Sonja Flemming/CBS
  • The Big Bang Theory - Season 4 - "The Boyfriend Complexity" - Johnny Galecki, Keith Carradine
    Photo By: Sonja Flemming/CBS
  • The Big Bang Theory - Season 4 - "The Hot Troll Deviation" - Kunal Nayyar, Jim Parsons and Johnny Galecki
    Photo By: Monty Brinton/CBS
  • The Big Bang Theory - Season 4 - "The Desperation Emanation" - Johnny Galecki, Jim Parsons
    Photo By: Sonja Flemming/CBS
  • The Big Bang Theory - Season 4 - "The Irish Pub Formulation" - Johnny Galecki, Jim Parsons, Simon Helberg, Kunal Nayyar, Aarti Mankad
    Photo By: Robert Voets/Warner Bros./CBS
  • The Big Bang Theory - Season 4 - "The Irish Pub Formulation" - Johnny Galecki, Jim Parsons
    Photo By: Robert Voets/Warner Bros./CBS
  • The Big Bang Theory - Season 4 - "The Irish Pub Formulation" - Johnny Galecki, Jim Parsons
    Photo By: Robert Voets/Warner Bros./CBS
  • The Big Bang Theory - Season 4 - "The Irish Pub Formulation" - Johnny Galecki, Jim Parsons
    Photo By: Robert Voets/Warner Bros.
  • The Big Bang Theory - Season 4 - "The 21-Second Excitation"- Johnny Galecki, Kunal Nayyar, Jim Parsons, Wil Wheaton
    Photo By: Monty Brinton/CBS
  • The Big Bang Theory - Season 4 - "The 21-Second Excitation" - Simon Helberg, Kunal Nayyar, Johnny Galecki and Jim Parsons
    Photo By: Monty Brinton/CBS
  • The Big Bang Theory - Season 4 - "The 21-Second Excitation" - Simon Helberg, Kunal Nayyar, Johnny Galecki and Jim Parsons
    Photo By: Monty Brinton/CBS
  • The Big Bang Theory - Season 4 - "The Boyfriend Complexity" - Jim Parsons, Kaley Cuoco, Johnny Galecki
    Photo By: Sonja Flemming/CBS
  • Big Bang Theory - Season 4 - Craig Ferguson
    Photo By: Sonja Flemming/CBS
  • Big Bang Theory - Season 4 - "The Zazzy Substitution" - Johnny Galecki, Kaley Cuoco, Simon Helberg
    Photo By: Richard Cartwright/CBS
  • Big Bang Theory - Season 4 - "The Cruciferous Vegetable Amplification" - Jim Parsons, Simon Helberg, Johnny Galecki, Kunal Nayyar and Kaley Cuoco
    Photo By: Robert Voets/CBS
  • Big Bang Theory - Season 4 - "The Zazzy Substitution" - Johnny Galecki, Jim Parsons
    Photo By: Richard Cartwright/CBS
  • Big Bang Theory - Season 4 - "The Cruciferous Vegetable Amplification" - Johnny Galecki
    Photo By: Robert Voets/Warner Bros./CBS
  • Big Bang Theory - Season 4 - "The Cruciferous Vegetable Amplification" - Jim Parsons, Johnny Galecki
    Photo By: Robert Voets/CBS
  • The Big Bang Theory - Season 3 - "The Lunar Excitation" - Kunal Nayyar, Jim Parsons, Simon Helberg, Kaley Cuoco, Brian Thomas Smith, Johnny Galecki
    Photo By: Sonja Flemming/CBS
  • The Big Bang Theory - Season 3 - "The Staircase Implementation" - Jim Parsons, Johnny Galecki
    Photo By: Robert Voets/CBS
  • The Big Bang Theory - Season 3 - "The Staircase Implementation" - Johnny Galecki
    Photo By: Robert Voets/CBS
  • The Big Bang Theory - Season 3 - "The Staircase Implementation" - Kunal Nayyar, Simon Helberg, Johnny Galecki
    Photo By: Robert Voets/CBS
  • The Big Bang Theory - Season 3 - "The Plimpton Stimulation" - Kaley Cuoco, Jim Parsons, Johnny Galecki
    Photo By: Monty Brinton/CBS
  • The Big Bang Theory - Season 3 - "The Plimpton Stimulation" - Johnny Galecki, Jim Parsons, Judy Greer
    Photo By: Monty Brinton/CBS
  • The Big Bang Theory - Season 3 - "The Plimpton Stimulation" - Judy Greer, Johnny Galecki
    Photo By: Monty Brinton/CBS
  • The Big Bang Theory - Season 3 - "The Spaghetti Catalyst" - Kunal Nayyar, Johnny Galecki, Jim Parsons, Simon Helberg
    Photo By: Monty Brinton/CBS
  • The Big Bang Theory - Season 3 - "The Wheaton Recurrence" - Simon Helberg, Jim Parsons, Johnny Galecki and Kunal Nayyar
    Photo By: Sonja Flemming/CBS
  • The Big Bang Theory - Season 3 - "The Wheaton Recurrence" - Kaley Cuoco, Johnny Galecki
    Photo By: Robert Voets/CBS
  • The Big Bang Theory - Season 3 - "The Precious Fragmentation" - Simon Helberg, Jim Parsons, Kunal Nayyar and Johnny Galecki
    Photo By: Cliff Lipson/CBS
  • The Big Bang Theory - Season 3 - "The Precious Fragmentation" - Simon Helberg, Jim Parsons and Johnny Galecki
    Photo By: Cliff Lipson/CBS
  • The Big Bang Theory - Season 3 - "The Precious Fragmentation" - Jim Parsons, Kunal Nayyar, Simon Helberg and Johnny Galecki
    Photo By: Cliff Lipson/CBS
  • The Big Bang Theory - Season 3 - "The Precious Fragmentation" - Simon Helberg, Jim Parsons, Kaley Cuoco, Johnny Galecki and Kunal Nayyar
    Photo By: Cliff Lipson/CBS
  • The Big Bang Theory - Season 3 - "The Precious Fragmentation" - Johnny Galecki
    Photo By: Cliff Lipson/CBS
  • The Big Bang Theory - Season 3 - "The Excelsior Acquisition" - Simon Helberg, Kunal Nayyar, Johnny Galecki, Kaley Cuoco, guest star Stan Lee and Jim Parsons
    Photo By: Cliff Lipson/CBS
  • The Big Bang Theory - Season 3 - "The Excelsior Acquisition" - Kaley Cuoco and Johnny Galecki
    Photo By: Cliff Lipson/CBS
  • The Big Bang Theory - Season 3 - "The Einstein Approximation" - Johnny Galecki and Kely Cuoco
    Photo By: Sonja Flemming/CBS
  • The Big Bang Theory - Season 3 - "The Bozeman Reaction" - Johnny Galecki, Kaley Cuoco and Jim Parsons
    Photo By: Greg Gayne/Warner Bros.
  • The Big Bang Theory - Season 3 - "The Maternal Congruence" - Johnny Galeski, Kaley Cuoco and Jim Parsons
    Photo By: Sonja Flemming/CBS
  • The Big Bang Theory - Season 3 - "The Maternal Congruence" - Johnny Galeski, Jim Parsons and Kaley Cuoco
    Photo By: Sonja Flemming/CBS
  • The Big Bang Theory - Season 3 - "The Maternal Congruence" - Kunal Nayyar, Simon Helberg, Jim Parson, Christine Baranski and Johnny Galecki
    Photo By: Sonja Flemming/CBS
  • The Big Bang Theory - Season 3 - "The Maternal Congruence" - Chirstine Baranski and Johnny Galecki
    Photo By: Sonja Flemming/CBS
  • The Big Bang Theory - Season 3 - "The Gorilla Experiment" - Melissa Rauch, Simon Helberg, Johnny Galecki
    Photo By: Michael Yarish/Warner Bros.
  • The Big Bang Theory - Season 3 - "The Vengeance Formulation" - Johnny Galecki, Jim Parsons
    Photo By: Cliff Lipson/CBS
  • The Big Bang Theory - Season 3 - "The Vengeance Formulation" - Johnny Galecki, Kunal Nayyar,Jim Parsons
    Photo By: Cliff Lipson/CBS
  • The Big Bang Theory - Season 3 - "The Adhesive Duck Deficiency" - Johnny Galecki, Kunal Nayyar, Simon Helberg
    Photo By: Monty Brinton/CBS
  • The Big Bang Theory - Season 3 - "The Guitarist Amplification" - Jim Parsons, Simon Helberg, Kunal Nayyar, Johnny Galecki, Kaley Cuoco
    Photo By: Sonja Flemming/CBS
  • The Big Bang Theory - Season 3 - "The Guitarist Amplification" - Johnny Galecki, Jim Parsons, Kaley Cuoco
    Photo By: Sonja Flemming/CBS
  • The Big Bang Theory - Season 3 - "The Creepy Candy Coating Corollary" - Johnny Galecki and Kaley Cuoco
    Photo By: Robert Voets/CBS
  • The Big Bang Theory - Season 3 - "The Gothowitz Deviation" - Jim Parson, Johnny Galecki and Kaley Cuoco
    Photo By: Cliff Lipson/ CBS
  • The Big Bang Theory - Season 3 - "The Jiminy Conjecture" - Kaley Cuoco and Johnny Galecki
    Photo By: Sonja Flemming/CBS
  • The Big Bang Theory - Season 3 - "The Jiminy Conjecture" - Johnny Galecki, Jim Parsons, Simon Helberg and Kunal Nayyar
    Photo By: Sonja Flemming/CBS
  • The Big Bang Theory - Season 3 - "The Electric Can Opener Fluctuation" - Jim Parsons, Kunal Nayyar, Simon Helberg, and Johnny Galecki
    Photo By: Sonja Flemming/ CBS
  • The Big Bang Theory - Season 3 - "The Electric Can Opener Fluctuation" - Laurie Metcalf, Jim Parsons, Johnny Galecki, Kunal Nayyar and Simon Helberg
    Photo By: Sonja Flemming/ CBS
  • The Big Bang Theory - Season 3 - "The Electric Can Opener Fluctuation" - Simon Helberg, Johnny Galecki, and Kunal Nayyar
    Photo By: Sonja Flemming/ CBS
  • The Big Bang Theory - Season 3 - "The Electric Can Opener Fluctuation" - Johnny Galecki and Kaley Cuoco
    Photo By: Sonja Flemming/ CBS
  • The Big Bang Theory - Season 2 - "The Monopolar Expedition" - Jim Parsons and Johnny Galecki
    Photo By: Sonja Flemming/CBS
  • The Big Bang Theory - Season 2 - "The Monopolar Expedition" - Kunak Nayyar, Simon Helberg, Jim Parsons and Johnny Galecki
    Photo By: Sonja Flemming/CBS
  • The Big Bang Theory - Season 2 - "The Monopolar Expedition" - Johnny Galecki, Simon Helberg and Jim Parsons
    Photo By: Sonja Flemming/CBS
  • The Big Bang Theory - Season 2 - "The Classified Materials Turbulance" - Johnny Galecki, Simon Helberg, Kunal Nayyar and Jim Parsons
    Photo By: Greg Gayne/Warner Bros.
  • The Big Bang Theory - Season 2 - "The Classified Materials Turbulance" - Johnny Galecki and Kaley Cuoco
    Photo By: Greg Gayne/Warner Bros.
  • The Big Bang Theory - Season 2 - "The Vegas Renormalization" - Johnny Galecki as Leonard, Kunal Nayyar as Raj, Jodi Lyn O'Keefe as Mikayla and Simon Helberg as Wolowitz
    Photo By: Cliff Lipson/CBS
  • The Big Bang Theory - Season 2 - "The Vegas Renormalization" - Johnny Galecki, Kunal Nayyar and Jodi Lyn O'Keefe as Mikayla
    Photo By: Cliff Lipson/CBS
  • The Big Bang Theory - Season 2 - "The Vegas Renormalization" - Jodi Lyn O'Keefe as Mikayla, Kunal Nayyar as Raj and Johnny Galecki as Leonard
    Photo By: Cliff Lipson/CBS
  • The Big Bang Theory - Season 2 - "The Hofstadter Isotope" - Johnny Galecki as Leonard, Kaley Cuoco as Penny and Kevin Sussman as Stuart
    Photo By: Greg Gayne/Warner Bros.
  • The Big Bang Theory - Season 2 - "The Hofstadter Isotope" - Johnny Galecki as Leonard and Jim Parsons as Sheldon
    Photo By: Greg Gayne/Warner Bros.
  • The Big Bang Theory - Season 2 - "The Hofstadter Isotope" - Kaley Cuoco as Penny, Jim Parsons as Sheldon, Johnny Galecki as Leonard, Kunal Nayyar as Raj and Simon Helberg as as Wolowitz
    Photo By: Greg Gayne/Warner Bros.
  • The Big Bang Theory - Season 2 - The Terminator Decoupling - Johnny Galecki, Kunal Nayyar, Summer Glau, Simon Helberg, Jim Parsons
    Photo By: Michael Ansell/Warner Bros.
  • The Big Bang Theory - Season 2, "The Maternal Capacitance" - Kaley Cuoco as Penny, Johnny Galecki as Leonard
    Photo By: Sonja Flemming/CBS (c)2009 CBS Broadcasting Inc. All Rights Reserved.
  • The Big Bang Theory - Season 2, "The Maternal Capacitance" - Kaley Cuoco as Penny, Johnny Galecki as Leonard
    Photo By: Sonja Flemming/CBS (c)2009 CBS Broadcasting Inc. All Rights Reserved.
  • The Big Bang Theory - Season 2, "The Friendship Algorithm" - Johnny Galecki as Leonard, Jim Parsons as Sheldon, Jade Zdanow
    Photo By: Monty Brinton/CBS (C)2008 CBS Broadcasting, Inc. All Rights Reserved.
  • The Big Bang Theory - Season 2, "The Killer Robot Instability" - Simon Helberg as Howard Wolowitz, Johnny Galecki as Leonard
    Photo By: Sonja Flemming/CBS
  • The Big Bang Theory - Season 2, "The Killer Robot Instability" - Kunal Nayyar as Rajesh Koothrappali, Simon Helberg as Howard Wolowitz, Jim Parsons as Sheldon, Johnny Galecki as Leonard
    Photo By: Sonja Flemming/CBS
  • The Big Bang Theory - Season 2, "The Killer Robot Instability" - Kunal Nayyar as Rajesh Koothrappali, Simon Helberg as Howard Wolowitz, Johnny Galecki as Leonard, Jim Parsons as Sheldon
    Photo By: Sonja Flemming/CBS
  • The Big Bang Theory - Season 2, "The Bath Item Gift Hypothesis" - Kaley Cuoco as Penny, Michael Trucco as David, Johnny Galecki as Leonard
    Photo By: Cliff Lipson/CBS
  • The Big Bang Theory - Season 2, "The Lizard-Spock Expansion" - Johnny Galecki as Leonard, guest star Sara Rue as Stephanie
    Photo By: Mike Ansell/Warner Bros. (c)2008 Warner Bros. Television. All Rights Reserved.
  • The Big Bang Theory - Season 2, "The Cooper-Nowitzki Theorem" - Johnny Galecki as Leonard, Simon Helberg as Wolowitz, Kaley Cuoco as Penny, Kunal Nayyar as Koothrappali
    Photo By: Cliff Lipson/CBS
  • The Big Bang Theory - Season 2, "The Cooper-Nowitzki Theorem" - Johnny Galecki as Leonard, Sara Gilbert as Leslie, Riki Lindhome, Jim Parsons as Sheldon as Ramona
    Photo By: Cliff Lipson/CBS
  • The Big Bang Theory - Season 2, "The Codpiece Topology" - Jim Parsons as Sheldon, Sara Gilbert as Leslie Winkle, Johnny Galecki as Leonard
    Photo By: Cliff Lipsonl/CBS
  • The Big Bang Theory - Season 2, "The Codpiece Topology" - Travis Schuldt as Eric, Kaley Cuoco as Penny, Johnny Galecki as Leonard, Simon Helberg as Wolowitz, Jim Parsons as Sheldon, Kunal Nayyar as Koothrappali
    Photo By: Cliff Lipsonl/CBS
  • The Big Bang Theory - Season 2, "The Codpiece Topology" - Johnny Galecki as Leonard, Jim Parsons as Sheldon
    Photo By: Cliff Lipsonl/CBS
  • The Big Bang Theory - Season 2, "The Codpiece Topology" - Sara Gilbert as Leslie Winkle, Johnny Galecki as Leonard
    Photo By: Cliff Lipsonl/CBS
  • The Big Bang Theory - Season 2 - "The Bad Fish Paradigm" - Johnny Galecki as Leonard and Jim Parsons as Sheldon
    Photo By: Sonja Flemming/CBS
  • The Big Bang Theory - Season 2 - "The Bad Fish Paradigm" - Simon Helberg as Wolowitz, Kunal Nayyar as Koothrappali, Johnny Galecki as Leonard and Jim Parsons as Sheldon
    Photo By: Sonja Flemming/CBS
  • The Big Bang Theory - Season 2 - "The Bad Fish Paradigm" - Johnny Galecki as Leonard and Kaley Cuoco as Penny
    Photo By: Sonja Flemming/CBS
  • The Big Bang Theory - "The Tangerine Factor" - Season 1 - Kaley Cuoco as Penny and Johnny Galecki as Leonard
    Photo By: Sonja Flemming/CBS
  • The Big Bang Theory - Season 1 - "The Tangerine Factor" - Kaley Cuoco as Penny and Johnny Galecki as Leonard
    Photo By: Sonja Flemming/CBS
  • The Big Bang Theory - Season 1 - "The Tangerine Factor" - Simon Helberg as Wolowitz, Johnny Galecki as Leonard, Jim Parsons as Sheldon, Kunal Nayyar as Koothrappali
    Photo By: Sonja Flemming/CBS
  • The Big Bang Theory - Season 1 - "The Peanut Reaction" - Simon Helberg as Wolowitz and Johnny Galecki as Leonard
    Photo By: Monty Brinton/CBS
  • The Big Bang Theory - Season 1 - "The Pork Chop Indeterminacy" - Kunal Nayyar as Rajesh, Johnny Galecki as Leonard, Simon Helberg as Wolowitz and Jim Parsons as Sheldon
    Photo By: Sonja Flemming/CBS
  • The Big Bang Theory - Season 1 - "The Pork Chop Indeterminacy" - Simon Helberg as Howard, Johnny Galecki as Leonard and Courtney Henggeler as Missy
    Photo By: Sonja Flemming/CBS
  • The Big Bang Theory - Season 1 - "The Nerdmabelia Scattering" - Kaley Cuoco as Penny, Johnny Galecki as Leonard, Kunal Nayyar as Raj Koothrappali and Simon Helberg as Howard Wolowitz
    Photo By: Greg Gayne/CBS
  • The Big Bang Theory - Season 1 - "The Nerdmabelia Scattering" - Kunal Nayyar as Raj Koothrappali, Jim Parsons as Sheldon, Simon Helberg as Howard Wolowitz and Johnny Galecki as Leonard
    Photo By: Greg Gayne/CBS
  • The Big Bang Theory - Season 1 - "The Bat Jar Conjecture" - Simon Helberg as Howard, Kunal Nayyar as Rajesh, Sara Gilbert as Leslie Winkle and Johnny Galecki as Leonard
    Photo By: Greg Gayne/CBS
  • The Big Bang Theory - Season 1 - "The Bat Jar Conjecture" - Johnny Galecki as Leonard and Jim Parsons as Sheldon
    Photo By: Greg Gayne/CBS
  • The Big Bang Theory - Season 1 - "The Bat Jar Conjecture" - Jim Parsons as Sheldon, Simon Helberg as Wolowitz, Kunal Nayyar as Rajesh, Johnny Galecki as Leonard and Kaley Cuoco as Penny
    Photo By: Greg Gayne/CBS
  • The Big Bang Theory - Season 1 - "The Pancake Batter Anomaly" - Johnny Galecki as Leonard and Jim Parsons as Sheldon
    Photo By: Monty Brinton/CBS
  • The Big Bang Theory - Season 1 - "The Pancake Batter Anomaly" - Johnny Galecki as Leonard and Jim Parsons as Sheldon
    Photo By: Monty Brinton/CBS
  • The Big Bang Theory - Season 1 - "The Loobenfeld Decay" - Johnny Galecki as Leonard and Kaley Cuoco as Penny
    Photo By: Cliff Lipson/CBS
  • The Big Bang Theory - Season 1 - "The Loobenfeld Decay" - Kaley Cuoco as Penny, Johnny Galecki as Leonard and guest star D.J. Qualls as Toby
    Photo By: Cliff Lipson/CBS
  • The Big Bang Theory - Season 1 - "The Cooper-Hofstadter Polarization" - Kunal Nayyar, Jim Parsons, Simon Helberg and Johnny Galecki
    Photo By: Mitchell Haddad/Warner Bros.
  • The Big Bang Theory - Season 1 - "The Cooper-Hofstadter Polarization" - Johnny Galecki as Leonard and Jim Parsons as Sheldon
    Photo By: Mitchell Haddad/Warner Bros.
  • The Big Bang Theory - Season 1 - "The Dumpling Paradox" - Simon Helberg as Wolowitz, Jim Parsons as Sheldon, Kunal Nayyar as Rajesh and Johnny Galecki as Leonard
    Photo By: Cliff Lipson/CBS
  • The Big Bang Theory - Season 1 - "The Dumpling Paradox" - Johnny Galecki as Leonard, Jim Parsons as Sheldon and Simon Helberg as Wolowitz
    Photo By: Cliff Lipson/CBS
  • The Big Bang Theory - Season 1 - "The Dumpling Paradox" - Johnny Galecki as Leonard, Kaley Cuoco as Penny, Jim Parsons as Sheldon, Kunal Nayyar as Rajesh
    Photo By: Cliff Lipson/CBS
  • The Big Bang Theory - Season 1 - "The Middle-Earth Paradigm" - Kaley Cuoco as Penny and Johnny Galecki as Leonard
    Photo By: Ron Batzdorff/Warner Bros. Television/CBS
  • The Big Bang Theory - Season 1 - "The Middle-Earth Paradigm" - Kunal Nayyar as Rajesh, Johnny Galecki as Leonard, Simon Helberg as Howard Wolowitz and Jim Parsons as Sheldon
    Photo By: Ron Batzdorff/Warner Bros. Television/CBS
  • The Big Bang Theory - Season 1 - "The Middle-Earth Paradigm" - Jim Parsons as Sheldon, Johnny Galecki as Leonard, Kunal Nayyar as Rajesh and Simon Helberg as Howard
    Photo By: Ron Batzdorff/Warner Bros. Television/CBS
  • The Big Bang Theory - Season 1 - "The Hamburger Postulate" - Johnny Galecki as Leonard, Kaley Cuoco as Penny and Jim Parsons as Sheldon
    Photo By: Greg Gayne/Warner Bros. Television/CBS
  • The Big Bang Theory - Season 1 - "The Hamburger Postulate" - Johnny Galecki as Leonard and guest star Sara Gilbert as Leslie Winkle
    Photo By: Greg Gayne/Warner Bros. Television/CBS
  • The Big Bang Theory - Season 1 - "The Hamburger Postulate" - Johnny Galecki as Leonard and guest star Sara Gilbert as Leslie Winkle
    Photo By: Greg Gayne/Warner Bros. Television/CBS
  • The Big Bang Theory - Season 1 - Behind the scenes from "The Fuzzy Boots Corollary" episode - Sara Gilbert and Johnny Galecki
    Photo By: Justin Lubin/Warner Bros. Television/CBS
  • The Big Bang Theory - Season 1 - "The Big Bran Hypothesis" - Johnny Galecki as Leonard
    Photo By: Robert Voets/CBS
  • The Big Bang Theory - Season 1 - "The Big Bran Hypothesis" - Johnny Galecki as Leonard and Jim Parsons as Sheldon
    Photo By: Robert Voets/CBS
  • The Big Bang Theory - Season 1 - "The Big Bran Hypothesis" - Kaley Cuoco as Penny and Johnny Galecki as Leonard
    Photo By: Robert Voets/CBS
  • The Big Bang Theory - Season 1 - Pilot - Jim Parsons as Sheldon and Johnny Galecki as Leonard
    Photo By: Robert Voets/CBS
  • The Big Bang Theory - Season 1 - Kaley Cuoco as Penny, Johnny Galecki as Leonard and Jim Parsons as Sheldon
    Photo By: Greg Gayne/Warner Bros
  • The Big Bang Theory - Johnny Galecki as Leonard
    Photo By: Robert Voets/CBS
  • Johnny Galecki - "Flags of Our Fathers" screening, Oct. 2006
    Photo By: Jamie McCarthy/WireImage.com
  • Johnny Galecki - Fred Segal Beauty Spa, Jan. 2003
    Photo By: Larry Busacca/WireImage.com
  • Johnny Galecki - "Bookies" portraits, Jan. 2003
    Photo By: Jeff Vespa/WireImage.com

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Details

  • Birth Name: John Mark Galecki
  • Birth Place: Bree, Belguim
  • Birthday: April 30, 1975, Taurus
  • Profession: Actor
  • User Rating:4.48 out of 5 (1,160 ratings)
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