The Big Bang Theory — Season 2
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.
Episodes

E01 The Bad Fish Paradigm
★ 7.9Sep 22, 2008 · 22m
Penny's first date with Leonard goes awry; Penny finds Sheldon to be an unwilling confidant.

E02 The Codpiece Topology
★ 7.7Sep 29, 2008 · 21m
A jealous Leonard reacts to Penny's new guy by rebounding with Leslie.

E03 The Barbarian Sublimation
★ 7.9Oct 6, 2008 · 21m
Sheldon creates a monster when he introduces Penny to online gaming.

E04 The Griffin Equivalency
★ 7.6Oct 13, 2008 · 21m
Raj gets an inflated ego and makes a play for Penny after being referenced in a magazine article.

E05 The Euclid Alternative
★ 7.6Oct 20, 2008 · 20m
Leonard and his friends stage an intervention to force Sheldon to face his fear of driving.

E06 The Cooper-Nowitzki Theorem
★ 7.8Nov 3, 2008 · 21m
Sheldon and the gang are confused when a young grad student is attracted to him.

E07 The Panty Piñata Polarization
★ 8.0Nov 10, 2008 · 21m
When Sheldon bans Penny from the apartment for numerous minor infractions, she decides to retaliate.

E08 The Lizard-Spock Expansion
★ 7.4Nov 17, 2008 · 20m
Leonard inadvertently steals away the new woman Wolowitz thinks is the love of his life.

E09 The White Asparagus Triangulation
★ 7.5Nov 24, 2008 · 21m
Sheldon is thrilled when Leonard starts dating a woman who meets Sheldon's stringent standards.

E10 The Vartabedian Conundrum
★ 7.0Dec 8, 2008 · 21m
Leonard asks Penny for advice when his new relationship starts moving too fast.

E11 The Bath Item Gift Hypothesis
★ 8.2Dec 15, 2008 · 21m
Penny starts dating Leonard's handsome colleague; Leonard and his friends are tortured by Sheldon's obsession with gift-giving etiquette.

E12 The Killer Robot Instability
★ 7.5Jan 12, 2009 · 21m
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.

E13 The Friendship Algorithm
★ 7.5Jan 19, 2009 · 21m
Sheldon creates a scientific procedure for making friends.

E14 The Financial Permeability
★ 7.4Feb 2, 2009 · 21m
Sheldon's solution to Penny's financial difficulty leads to a confrontation between Leonard and Penny's ex-boyfriend.

E15 The Maternal Capacitance
★ 8.1Feb 9, 2009 · 21m
Leonard and Penny are drawn together after a disastrous visit from Leonard's mother.

E16 The Cushion Saturation
★ 7.5Mar 2, 2009 · 21m
A paintball game leads to a fight between Sheldon and Penny, and romance for Leslie and Wolowitz.

E17 The Terminator Decoupling
★ 7.6Mar 9, 2009 · 21m
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.

E18 The Work Song Nanocluster
★ 7.6Mar 16, 2009 · 20m
Penny's home business turns into a complete nightmare when Sheldon takes over.

E19 The Dead Hooker Juxtaposition
★ 7.6Mar 30, 2009 · 20m
Penny squares off with a new beautiful female neighbor who may become the building's "new Penny."

E20 The Hofstadter Isotope
★ 7.6Apr 13, 2009 · 20m
A fellow comic book enthusiast's hitting on Penny leads to Leonard and Howard going to a bar's Ladies' Night.

E21 The Vegas Renormalization
★ 7.5Apr 27, 2009 · 22m
Leonard and Koothrappali escort a heartbroken Wolowitz to Las Vegas, and Sheldon becomes locked out of his apartment and must stay with Penny.

E22 The Classified Materials Turbulence
★ 7.5May 4, 2009 · 19m
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.

E23 The Monopolar Expedition
★ 7.5May 11, 2009 · 21m
The guys' plan to work over the summer at the North Pole makes Penny revaluate her feelings for Leonard.










