Join or Sign In
Sign in to customize your TV listings
By joining TV Guide, you agree to our Terms of Use and acknowledge the data practices in our Privacy Policy.
The Big Bang Theory Photo Gallery
Image 1 of 30
The Big Bang Theory - Season 7 - "The Hofstadter Insufficiency" - Melissa Rauch and Mayim Bialik
Image 2 of 30
Big Bang Theory - Season 4 - Craig Ferguson
Image 3 of 30
The Big Bang Theory - Season 4 - "The Alien Parasite Hypothesis" - Simon Helberg, Kunal Nayyar
Image 4 of 30
The Big Bang Theory - Season 3 - "The Jiminy Conjecture" - Simon Helberg , Jim Parsons, and Kunal Nayyar
Image 5 of 30
The Big Bang Theory - Johnny Galecki as Leonard
Image 6 of 30
The Big Bang Theory - Season 3 - "The Adhesive Duck Deficiency" - Jim Parsons, Kaley Cuoco
Image 7 of 30
Big Bang Theory - Season 4 - "The Zazzy Substitution" - Johnny Galecki, Kaley Cuoco, Simon Helberg
Image 8 of 30
The Big Bang Theory - Season 3 - "The Precious Fragmentation" - Simon Helberg, Jim Parsons and Johnny Galecki
Image 9 of 30
The Big Bang Theory - Season 5 - "The Pulled Groin Extrapolation" - Simon Helberg, Kunal Nayyar, Jim Parsons, Kaley Cuoco
Image 10 of 30
The Big Bang Theory - Season 6 - "The Tenure Turbulence" - Regina King, Jim Parsons
Image 11 of 30
The Big Bang Theory - Season 3 - "The Spaghetti Catalyst" - Kaley Cuoco, Jim Parsons
Image 12 of 30
The Big Bang Theory - Season 6 - "The Parking Spot Escalation" - Jim Parsons
Image 13 of 30
The Big Bang Theory - Season 7 - "The Proton Transmogrification" - Simon Helberg, Jim Parsons and Kunal Nayyar
Image 14 of 30
The Big Bang Theory - Season 2 - "The Dead Hooker Juxtaposition" - Valerie Azlynn as Alicia, Simon Helberg as Wolowitz, Kunal Nayyar as Raj, Jim Parsons as Sheldon, Kaley Cuoco as Penny
Image 15 of 30
The Big Bang Theory - Season 7 - "The Indecision Amalgamation" - Kunal Nayyar, Kaley Cuoco-Sweeting and Johnny Galecki
Image 16 of 30
The Big Bang Theory - Season 5 - "The Weekend Vortex" - Jim Parsons, Kevin Sussman
Image 17 of 30
The Big Bang Theory - Season 4 - "The Desperation Emanation" - Jim Parsons, Mayim Bialik
Image 18 of 30
The Big Bang Theory - Season 2 - "The Dead Hooker Juxtaposition" - Valerie Azlynn as Alicia and Kaley Cuoco as Penny
Image 19 of 30
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
Image 20 of 30
The Big Bang Theory - Season 3 - "The Adhesive Duck Deficiency" - Johnny Galecki, Kunal Nayyar, Simon Helberg
Image 21 of 30
The Big Bang Theory - Season 8 - "The Expedition Approximation" - Melissa Rauch, Simon Helberg
Image 22 of 30
The Big Bang Theory - Season 2, "The Bath Item Gift Hypothesis" - Kaley Cuoco as Penny
Image 23 of 30
The Big Bang Theory - Season 3 - "The Vengeance Formulation" - Johnny Galecki, Jim Parsons
Image 24 of 30
The Big Bang Theory - Season 5 - "The Recombination Hypothesis" - Jim Parsons
Image 25 of 30
The Big Bang Theory - Season 6 - "The Proton Resurgence"- Kaley Cuoco, Bob Newhart, Jim Parsons and Johnny Galecki
Image 26 of 30
The Big Bang Theory - Season 3 - "The Gothowitz Deviation" - Simon Helberg, Kunal Nayyar, Sarah Buehler and Molly Morgan
Image 27 of 30
The Big Bang Theory - Season 6 - "The Parking Spot Escalation" - Mayim Bialik, Jim Parsons
Image 28 of 30
The Big Bang Theory - Season 3 - "The Pants Alternative" - Jim Parsons
Image 29 of 30
The Big Bang Theory - Season 4 - "The 21-Second Excitation" - Simon Helberg, Kunal Nayyar, Johnny Galecki and Jim Parsons
Image 30 of 30
The Big Bang Theory - Season 5 - "The Pulled Groin Extrapolation" - Kaley Cuoco as Penny, Mayim Bialik as Amy, Johnny Galecki as Leonard