The Big Bang Theory
Season 2
200823 episodes
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.
Episode 1
The Bad Fish Paradigm
Sep 22, 200822m
TMDB rating 7.9TMDB
Penny's first date with Leonard goes awry; Penny finds Sheldon to be an unwilling confidant.
Episode 2
The Codpiece Topology
Sep 29, 200821m
TMDB rating 7.7TMDB
A jealous Leonard reacts to Penny's new guy by rebounding with Leslie.
Episode 3
The Barbarian Sublimation
Oct 6, 200821m
TMDB rating 8.0TMDB
Sheldon creates a monster when he introduces Penny to online gaming.
Episode 4
The Griffin Equivalency
Oct 13, 200821m
TMDB rating 7.6TMDB
Raj gets an inflated ego and makes a play for Penny after being referenced in a magazine article.
Episode 5
The Euclid Alternative
Oct 20, 200820m
TMDB rating 7.6TMDB
Leonard and his friends stage an intervention to force Sheldon to face his fear of driving.
Episode 6
The Cooper-Nowitzki Theorem
Nov 3, 200821m
TMDB rating 7.9TMDB
Sheldon and the gang are confused when a young grad student is attracted to him.
Episode 7
The Panty Piñata Polarization
Nov 10, 200821m
TMDB rating 8.0TMDB
When Sheldon bans Penny from the apartment for numerous minor infractions, she decides to retaliate.
Episode 8
The Lizard-Spock Expansion
Nov 17, 200820m
TMDB rating 7.5TMDB
Leonard inadvertently steals away the new woman Wolowitz thinks is the love of his life.
Episode 9
The White Asparagus Triangulation
Nov 24, 200821m
TMDB rating 7.5TMDB
Sheldon is thrilled when Leonard starts dating a woman who meets Sheldon's stringent standards.
Episode 10
The Vartabedian Conundrum
Dec 8, 200821m
TMDB rating 7.0TMDB
Leonard asks Penny for advice when his new relationship starts moving too fast.
Episode 11
The Bath Item Gift Hypothesis
Dec 15, 200821m
TMDB rating 8.3TMDB
Penny starts dating Leonard's handsome colleague; Leonard and his friends are tortured by Sheldon's obsession with gift-giving etiquette.
Episode 12
The Killer Robot Instability
Jan 12, 200921m
TMDB rating 7.5TMDB
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.
Episode 13
The Friendship Algorithm
Jan 19, 200921m
TMDB rating 7.5TMDB
Sheldon creates a scientific procedure for making friends.
Episode 14
The Financial Permeability
Feb 2, 200921m
TMDB rating 7.4TMDB
Sheldon's solution to Penny's financial difficulty leads to a confrontation between Leonard and Penny's ex-boyfriend.
Episode 15
The Maternal Capacitance
Feb 9, 200921m
TMDB rating 8.1TMDB
Leonard and Penny are drawn together after a disastrous visit from Leonard's mother.
Episode 16
The Cushion Saturation
Mar 2, 200921m
TMDB rating 7.5TMDB
A paintball game leads to a fight between Sheldon and Penny, and romance for Leslie and Wolowitz.
Episode 17
The Terminator Decoupling
Mar 9, 200921m
TMDB rating 7.5TMDB
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.
Episode 18
The Work Song Nanocluster
Mar 16, 200920m
TMDB rating 7.6TMDB
Penny's home business turns into a complete nightmare when Sheldon takes over.
Episode 19
The Dead Hooker Juxtaposition
Mar 30, 200920m
TMDB rating 7.6TMDB
Penny squares off with a new beautiful female neighbor who may become the building's "new Penny."
Episode 20
The Hofstadter Isotope
Apr 13, 200920m
TMDB rating 7.6TMDB
A fellow comic book enthusiast's hitting on Penny leads to Leonard and Howard going to a bar's Ladies' Night.
Episode 21
The Vegas Renormalization
Apr 27, 200922m
TMDB rating 7.5TMDB
Leonard and Koothrappali escort a heartbroken Wolowitz to Las Vegas, and Sheldon becomes locked out of his apartment and must stay with Penny.
Episode 22
The Classified Materials Turbulence
May 4, 200919m
TMDB rating 7.5TMDB
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.
Episode 23
The Monopolar Expedition
May 11, 200921m
TMDB rating 7.5TMDB
The guys' plan to work over the summer at the North Pole makes Penny revaluate her feelings for Leonard.