Moviefone App Coming Soon. Sign Up Now to Get Notified!
The Big Bang Theory

The Big Bang Theory Season 2: Episode Guide & Ratings

2007TV Show"Smart is the new sexy."

Season 2 Plot

This season, Leonard gets a girl. So does Sheldon. Howard drives the Mars Rover into a ditch. Raj woos a terminator. Gorgeous girl-next-door Penny falls under the spell of Age of Conan. And super-smart, ueberconfident Leslie Winkler reduces mere men to spineless jellyfish.

The Big Bang Theory Season 2 aired on September 22nd, 2008.

Watch 'The Big Bang Theory' Season 2 Online

powered by JustWatch yellow logo
US
UK
CA
AU
TR
FR
DE
IT
NL
IN

Season 2 Episodes

78

1. The Bad Fish Paradigm

September 22nd, 200822 min

Penny's first date with Leonard goes awry; Penny finds Sheldon to be an unwilling confidant.

76

2. The Codpiece Topology

September 29th, 200821 min

A jealous Leonard reacts to Penny's new guy by rebounding with Leslie.

77

3. The Barbarian Sublimation

October 6th, 200821 min

Sheldon creates a monster when he introduces Penny to online gaming.

75

4. The Griffin Equivalency

October 13th, 200821 min

Raj gets an inflated ego and makes a play for Penny after being referenced in a magazine article.

74

5. The Euclid Alternative

October 20th, 200820 min

Leonard and his friends stage an intervention to force Sheldon to face his fear of driving.

78

6. The Cooper-Nowitzki Theorem

November 3rd, 200821 min

Sheldon and the gang are confused when a young grad student is attracted to him.

79

7. The Panty Piñata Polarization

November 10th, 200821 min

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

74

8. The Lizard-Spock Expansion

November 17th, 200820 min

Leonard inadvertently steals away the new woman Wolowitz thinks is the love of his life.

74

9. The White Asparagus Triangulation

November 24th, 200821 min

Sheldon is thrilled when Leonard starts dating a woman who meets Sheldon's stringent standards.

70

10. The Vartabedian Conundrum

December 8th, 200821 min

Leonard asks Penny for advice when his new relationship starts moving too fast.

81

11. The Bath Item Gift Hypothesis

December 15th, 200821 min

Penny starts dating Leonard's handsome colleague; Leonard and his friends are tortured by Sheldon's obsession with gift-giving etiquette.

74

12. The Killer Robot Instability

January 12th, 200921 min

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.

75

13. The Friendship Algorithm

January 19th, 200921 min

Sheldon creates a scientific procedure for making friends.

73

14. The Financial Permeability

February 2nd, 200921 min

Sheldon's solution to Penny's financial difficulty leads to a confrontation between Leonard and Penny's ex-boyfriend.

81

15. The Maternal Capacitance

February 9th, 200921 min

Leonard and Penny are drawn together after a disastrous visit from Leonard's mother.

74

16. The Cushion Saturation

March 2nd, 200921 min

A paintball game leads to a fight between Sheldon and Penny, and romance for Leslie and Wolowitz.

74

17. The Terminator Decoupling

March 9th, 200921 min

Leonard, Sheldon and Wolowitz are ecstatic to learn that a famous science-fiction actress (Summer Glau) is on board the train they are taking to San Francisco.

75

18. The Work Song Nanocluster

March 16th, 200920 min

Penny's home business turns into a complete nightmare when Sheldon takes over.

75

19. The Dead Hooker Juxtaposition

March 30th, 200920 min

Penny squares off with a new beautiful female neighbor who may become the building's "new Penny."

76

20. The Hofstadter Isotope

April 13th, 200920 min

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

75

21. The Vegas Renormalization

April 27th, 200922 min

Leonard and Koothrappali escort a heartbroken Wolowitz to Las Vegas, and Sheldon becomes locked out of his apartment and must stay with Penny.

74

22. The Classified Materials Turbulence

May 4th, 200919 min

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.

75

23. The Monopolar Expedition

May 11th, 200921 min

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

All Seasons

Season 12

Season 12

Sep 24, 2018
Season 11

Season 11

Sep 25, 2017
Season 10

Season 10

Sep 19, 2016
Season 9

Season 9

Sep 21, 2015
Season 8

Season 8

Sep 22, 2014
Season 7

Season 7

Sep 26, 2013
Season 6

Season 6

Sep 27, 2012
Season 5

Season 5

Sep 22, 2011
Season 4

Season 4

Sep 23, 2010
Season 3

Season 3

Sep 21, 2009
Season 2

Season 2

Sep 22, 2008
Season 1

Season 1

Sep 24, 2007