The Big Bang Theory
Season 2

s02e01 / The Bad Fish Paradigm

23rd Sep '08 - 12:00am
The Bad Fish Paradigm

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.

35426 have watched this episode

s02e02 / The Codpiece Topology

30th Sep '08 - 12:00am
The Codpiece Topology

Seeing Penny with another guy sends Leonard back to Leslie Winkle, much to Sheldon's dismay.

35423 have watched this episode

s02e03 / The Barbarian Sublimation

7th Oct '08 - 12:00am
The Barbarian Sublimation

Penny becomes addicted to an online game based on the world of Conan the Barbarian and persistantly pesters Sheldon for advice.

35418 have watched this episode

s02e04 / The Griffin Equivalency

14th Oct '08 - 12:00am
The Griffin Equivalency

Full of confidence following being named one of People's "30 to Watch Under 30", Raj hits on Penny and becomes impossibly arrogant.

35410 have watched this episode

s02e05 / The Euclid Alternative

21st Oct '08 - 12:00am
The Euclid Alternative

An intervention is used to try to force Sheldon to overcome his fear of driving.

35403 have watched this episode

s02e06 / The Cooper-Nowitzki Theorem

4th Nov '08 - 1:00am
The Cooper-Nowitzki Theorem

Sheldon, and his friends, are mystified when a younger grad student is attracted to him.

35403 have watched this episode

s02e07 / The Panty Pinata Polarization

11th Nov '08 - 1:00am
The Panty Pinata Polarization

When Sheldon bans her from the apartment for numerous minor infractions, Penny decides to retaliate.

35394 have watched this episode

s02e08 / The Lizard-Spock Expansion

18th Nov '08 - 1:00am
The Lizard-Spock Expansion

A girl Wolowitz has a major crush on falls for Leonard. Sheldon tries to improve rock-paper-scissors.

35395 have watched this episode

s02e09 / The White Asparagus Triangulation

25th Nov '08 - 1:00am
The White Asparagus Triangulation

Sheldon is overexuberant that Leonard finally has a girlfriend matching his high standards.

35383 have watched this episode

s02e10 / The Vartabedian Conundrum

9th Dec '08 - 1:00am
The Vartabedian Conundrum

When Leonard's relationship with a new woman starts moving too fast, he goes to Penny for advice.

35376 have watched this episode

s02e11 / The Bath Item Gift Hypothesis

16th Dec '08 - 1:00am
The Bath Item Gift Hypothesis

Sheldon irks the gangs with his obession with proper Christmas gift protocol. Lenoard's crushed when Penny dates a colleague of his.

35375 have watched this episode

s02e12 / The Killer Robot Instability

13th Jan '09 - 1:00am
The Killer Robot Instability

Penny's criticism of Wolowitz's romantic life pushes him into depression and AWOL for a fighting robot battle the rest of guys are depending on him for.

35380 have watched this episode

s02e13 / The Friendship Algorithm

20th Jan '09 - 1:00am
The Friendship Algorithm

Looking to get friendly with Barry Kripke to gain access to a piece of high-tech lab equipment, Sheldon develops a flowchart process to make friends.

35375 have watched this episode

s02e14 / The Financial Permeability

3rd Feb '09 - 1:00am
The Financial Permeability

When Sheldon comes up with a plan to fix Penny's finances, it leads to Leonard coming face-to-face with her ex, Kurt.

35366 have watched this episode

s02e15 / The Maternal Capacitance

10th Feb '09 - 1:00am
The Maternal Capacitance

A visit from Leonard's mother ends up bringing him and Penny closer.

35361 have watched this episode

s02e16 / The Cushion Saturation

3rd Mar '09 - 1:00am
The Cushion Saturation

Paintball leads to a squabble between Sheldon and Penny, as well as romance between Howard and Leslie.

35365 have watched this episode

s02e17 / The Terminator Decoupling

10th Mar '09 - 1:00am
The Terminator Decoupling

The gang is thrilled when they learn Terminator: The Sarah Connor Chronicles' Summer Glau is also aboard their train to San Francisco.

35362 have watched this episode

s02e18 / The Work Song Nanocluster

17th Mar '09 - 1:00am
The Work Song Nanocluster

Penny's business selling hair products out of her apartment gets out of hand when an over-caffeinated Sheldon takes charge.

35359 have watched this episode

s02e19 / The Dead Hooker Juxtaposition

31st Mar '09 - 12:00am
The Dead Hooker Juxtaposition

Penny feels threatened when another sexy woman moves into the apartment building.

35351 have watched this episode

s02e20 / The Hofstadter Isotope

14th Apr '09 - 12:00am
The Hofstadter Isotope

A fellow comic book enthusiast's hitting on Penny leads to Leonard and Howard going to a bar's Ladies' Night.

35349 have watched this episode

s02e21 / The Vegas Renormalization

28th Apr '09 - 12:00am
The Vegas Renormalization

Leonard and Raj take Wolowitz to Las Vegas to help him get over his break-up with Leslie. Sheldon, home alone and looking forward to it, locks himself out and has only one other place to stay - Penny's.

35345 have watched this episode

s02e22 / The Classified Materials Turbulence

5th May '09 - 12:00am
The Classified Materials Turbulence

Penny's second date with Stuart sees her making a comment that gives Leonard new hope for a relationship with her. Wolowitz realizes there's a crucial error in a NASA project he's working on.

35350 have watched this episode

s02e23 / The Monopolar Expedition

12th May '09 - 12:00am
The Monopolar Expedition

The guys' plan to work over the summer at the North Pole makes Penny reevaluate her feelings for Leonard.

35351 have watched this episode
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