Where to watch The Big Bang Theory Season 2
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The Big Bang Theory Season 2 episodes
S02 E01
The Bad Fish Paradigm
21 mins · Mon, 22 Sep 2008
Penny opens up to a reluctant Sheldon after a less-than-stellar first date with Leonard, placing him in the uncomfortable position of having to keep a secret.
S02 E02
The Codpiece Topology
21 mins · Mon, 29 Sep 2008
Sheldon is dismayed when Leonard returns to Leslie Winkle after seeing Penny on a date with another guy.
S02 E03
The Barbarian Sublimation
21 mins · Mon, 6 Oct 2008
Penny becomes addicted to an online game, based on the world of Conan the Barbarian, and persistantly pesters Sheldon for advice.
S02 E04
The Griffin Equivalency
21 mins · Mon, 13 Oct 2008
Full of confidence following being named one of People magazine's '30 to Watch Under 30', Raj hits on Penny and becomes impossibly arrogant.
S02 E05
The Euclid Alternative
20 mins · Mon, 20 Oct 2008
When Leonard can't drive Sheldon to and from work, the friends stage an intervention to overcome Sheldon's fear of getting behind the wheel.
S02 E06
The Cooper-Nowitzki Theorem
21 mins · Mon, 3 Nov 2008
Sheldon and his friends are mystified when a younger student is attracted to him, and her intense devotion soon becomes too much for him to bear.
S02 E07
The Panty Piñata Polarization
21 mins · Mon, 10 Nov 2008
When Sheldon bans Penny from the apartment for numerous minor infractions, she decides to retaliate. Elsewhere, Howard and Raj search for the America's Next Top Model house.
S02 E08
The Lizard-Spock Expansion
20 mins · Mon, 17 Nov 2008
A girl for whom Howard harbours romantic feelings falls for Leonard instead, leaving Howard furious with jealousy.
S02 E09
The White Asparagus Triangulation
21 mins · Mon, 24 Nov 2008
Sheldon is delighted that Leonard finally has a girlfriend matching his high standards. Perhaps too delighted. Almost over-exuberant. Could this be a problem in the making?
S02 E10
The Vartabedian Conundrum
21 mins · Mon, 8 Dec 2008
Leonard seeks Penny's counsel when his relationship with Stephanie takes off faster than he'd like.
S02 E11
The Bath Item Gift Hypothesis
21 mins · Mon, 15 Dec 2008
As Christmas approaches, Leonard's handsome colleague starts dating Penny, and Sheldon's obsession with gift-giving etiquette torments his friends.
S02 E12
The Killer Robot Instability
21 mins · Mon, 12 Jan 2009
When Kripke challenges them to a robot duel, Sheldon jumps at the idea. The guys are all excited about building their killer robot, named Monte, but the duel goes awry and Monte is the causality.
S02 E13
The Friendship Algorithm
21 mins · Mon, 19 Jan 2009
Sheldon develops a scientific procedure for making friends when he discovers that Kripke has control of a new supercomputer at the university.
S02 E14
The Financial Permeability
21 mins · Mon, 2 Feb 2009
When Penny runs into financial trouble, Sheldon gladly offers to lend her money. Penny is uncomfortable with getting a loan from him and begins to act out her frustration, which confuses Sheldon.
S02 E15
The Maternal Capacitance
20 mins · Mon, 9 Feb 2009
A disastrous visit from Leonard's mother, Beverly, has the effect of bringing Leonard and Penny closer together.
S02 E16
The Cushion Saturation
21 mins · Mon, 2 Mar 2009
A game of paintball leads to a squabble when Penny accidentally shoots a paint gun at one of Sheldon's cushions, leaving an ugly stain that can't be removed and motivating Sheldon to seek revenge.
S02 E17
The Terminator Decoupling
21 mins · Mon, 9 Mar 2009
On a train to San Francisco, Leonard, Sheldon, Wolowitz and Raj discover that beautiful sci-fi actress Summer Glau is on board.
S02 E18
The Work Song Nanocluster
20 mins · Mon, 16 Mar 2009
Penny's home-based business selling hair accessories gets out of hand when an over-caffeinated Sheldon takes charge.
S02 E19
The Dead Hooker Juxtaposition
20 mins · Mon, 30 Mar 2009
Penny develops a rivalry with a sexy new female neighbour, who moves into the apartment building and threatens to become the new Penny.
S02 E20
The Hofstadter Isotope
20 mins · Mon, 13 Apr 2009
Leonard is devastated when the geeky sales clerk in a comic book store hits on Penny. Even worse, she doesn't mind.
S02 E21
The Vegas Renormalization
21 mins · Mon, 27 Apr 2009
Leonard and Koothrappali take a heartbroken Wolowitz to Las Vegas, leaving Sheldon locked out of his apartment and forced to bunk with Penny.
S02 E22
The Classified Materials Turbulence
18 mins · Mon, 4 May 2009
Things begin to look up for Leonard when Penny makes a surprising revelation on her second date with Stuart. Wolowitz enlists his friends' help when he discovers a critical design flaw in his project for NASA.
S02 E23
The Monopolar Expedition
21 mins · Mon, 11 May 2009
Leonard and Penny reconsider their feelings for one another, but is there a future for them when Leonard and his friends decide to spend the summer working at the North Pole?