The Big Bang Theory

2007, TV Show

Full Episodes(164)

Latest Episode: The Big Bang Theory - The Focus Attenuation

Oct 12, 2014 Season 8 Episode 5 watch on CBS (Free)

Amy and Bernadette accuse Penny of being a "buzzkill" after she gets an email from work during their Vegas weekend. Meanwhile, the guys try to invent something cool, but only come up with new ways to procrastinate. (TV-14 D, L)

The Monopolar Expedition

May 11, 2009 Season 2 Episode 23

On the second season finale, Leonard and Penny reconsider their feelings for one another. When Leonard and his friends decide to spend the summer working? at the North Pole Penny is conflicted.
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The Classified Materials Turbulence

May 04, 2009 Season 2 Episode 22

Things begin to look up for Leonard when Penny makes a surprising revelation on her second date with Stuart (guest star Kevin Sussman). Meanwhile, Wolowitz enlists his friends' help when he discovers a critical design flaw in his project for NASA.
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The Vegas Renormalization

Apr 27, 2009 Season 2 Episode 21

Leonard and Koothrappali take a heartbroken Wolowitz to Las Vegas, leaving Sheldon locked out of his apartment and forced to bunk with Penny.
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The Hofstadter Isotope

Apr 13, 2009 Season 2 Episode 20

While Stuart (guest star KEVIN SUSSMAN), a fellow comic book-loving pal of the guys, romances Penny, Leonard and Wolowitz venture out into the world of "Ladies' Night" at a local bar.
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The Dead Hooker Juxtaposition [HD]

Mar 30, 2009 Season 2 Episode 19

There's a new queen bee in the building! Penny develops a rivalry with a sexy female neighbor moves in to the building and threatens to become the "new Penny."
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The Work Song Nanocluster

Mar 16, 2009 Season 2 Episode 18

Penny's home hair products business becomes a complete nightmare when a caffeine-addled Sheldon takes over.
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The Terminator Decoupling

Mar 09, 2009 Season 2 Episode 17

A train trip to San Francisco takes a major detour when Leonard, Sheldon, Wolowitz and Raj discover that beautiful sci-fi actress SUMMER GLAU ("Terminator") is onboard.
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The Cushion Saturation

Mar 02, 2009 Season 2 Episode 16

A paintball game has surprising consequences for Leonard and his friends when it leads to a fight between Penny and Sheldon and romance for Wolowitz and Leslie.
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The Maternal Capacitance

Feb 09, 2009 Season 2 Episode 15

A disastrous visit from Mrs. Hofstadter (special guest star Christine Baranski) brings Leonard and Penny closer together.
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The Financial Permeability

Feb 02, 2009 Season 2 Episode 14

Sheldon's "simple" solution to Penny's financial problem leads to a confrontation between Leonard and Penny's hulking ex-boyfriend, Kurt (guest star Brian Patrick Wade).
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The Friendship Algorithm

Jan 19, 2009 Season 2 Episode 13

Socially awkward Sheldon develops a scientific procedure for making friends.
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The Killer Robot Instability

Jan 12, 2009 Season 2 Episode 12

When Penny's comment about Wolowitz's love life sends him into a depressed stupor, his friends lose their most important teammate in an upcoming fighting robot competition.
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The Bath Item Gift Hypothesis

Dec 15, 2008 Season 2 Episode 11

Leonards handsome colleague starts dating Penny. And Leonards friends are being tormented by Sheldon's obsession with gift-giving etiquette.
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The Vartabedian Conundrum [HD]

Dec 08, 2008 Season 2 Episode 10

Leonard just can't say no. When his relationship with new girlfriend, Stephanie starts moving too fast, Leonard turns to Penny for advice.
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The White Asparagus Triangulation [HD]

Nov 24, 2008 Season 2 Episode 9

Sheldon can barely contain his joy when Leonard starts dating a woman (SARA RUE) who meets Sheldon's exacting standards.
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The Lizard-Spock Expansion

Nov 17, 2008 Season 2 Episode 8

Wolowitz (series regular SIMON HELBERG) thinks he's found the love of his life (guest star SARA RUE) ? until she meets Leonard.
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The Panty Pinata Polarization

Nov 10, 2008 Season 2 Episode 7

Sheldon and Penny engage in a battle of wills as Penny vows to get revenge on Sheldon when he bans her from the apartment for a series of petty infractions.
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The Cooper-Nowitzki Theorem

Nov 03, 2008 Season 2 Episode 6

A young grad student?s attraction to Sheldon confuses everyone ?including Sheldon himself.
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The Euclid Alternative [HD]

Oct 20, 2008 Season 2 Episode 5

Leonard and his friends stage an intervention to make Sheldon confront his longstanding fear of driving.
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The Euclid Alternative

Oct 13, 2008 Season 2 Episode 4

Leonard and his friends stage an intervention to make Sheldon confront his longstanding fear of driving.
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The Barbarian Sublimination

Oct 06, 2008 Season 2 Episode 3

Sheldon creates a monster when he introduces Penny to the world of online gaming. Especially when her addiction wreaks havoc on his life.
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The Codpiece Topology

Sep 29, 2008 Season 2 Episode 2

Penny and Leonard compete to see who will be the first to move on after their breakup. When Leonard sees Penny with a handsome new guy (guest star TRAVIS SCHULDT -- Scrubs), he enters into a rebound relationship with Sheldon's nemesis, Leslie Winkle (series regular SARA GILBERT).
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The Bad Fish Paradigm

Sep 22, 2008 Season 2 Episode 1

In the second season premiere, after her first date with Leonard goes awry, Penny finds an unwilling confidant in Leonard's anti-social roommate, Sheldon.
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The Big Bang Theory Clips & Interviews collapse view

The Big Bang Theory: Miss You Beef
The Big Bang Theory: Clip 3
The Big Bang Theory: The Junior Profes
The Big Bang Theory: Clip 1
The Big Bang Theory: Clip 4
Sneak Peek: “The Hofstadter Insufficiency” and “The Deception Verification”
The Big Bang Theory: Clip 2
The Big Bang Theory: Clip 4
The Big Bang Theory: The Nerdvana Anni
The Big Bang Theory: Clip 7
The Big Bang Theory: Look At Us
The Big Bang Theory: Clip 6
The Big Bang Theory: Clip 2
The Big Bang Theory: Season 2
The Big Bang Theory: Clip 9

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