Episode 1
The Bad Fish Paradigm
2008-09-22 • 22 min
Penny's first date with Leonard goes awry; Penny finds Sheldon to be an unwilling confidant.
TV season
2008-09-22
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
2008-09-22 • 22 min
Penny's first date with Leonard goes awry; Penny finds Sheldon to be an unwilling confidant.
Episode 2
2008-09-29 • 21 min
A jealous Leonard reacts to Penny's new guy by rebounding with Leslie.
Episode 3
2008-10-06 • 21 min
Sheldon creates a monster when he introduces Penny to online gaming.
Episode 4
2008-10-13 • 21 min
Raj gets an inflated ego and makes a play for Penny after being referenced in a magazine article.
Episode 5
2008-10-20 • 20 min
Leonard and his friends stage an intervention to force Sheldon to face his fear of driving.
Episode 6
2008-11-03 • 21 min
Sheldon and the gang are confused when a young grad student is attracted to him.
Episode 7
2008-11-10 • 21 min
When Sheldon bans Penny from the apartment for numerous minor infractions, she decides to retaliate.
Episode 8
2008-11-17 • 20 min
Leonard inadvertently steals away the new woman Wolowitz thinks is the love of his life.
Episode 9
2008-11-24 • 21 min
Sheldon is thrilled when Leonard starts dating a woman who meets Sheldon's stringent standards.
Episode 10
2008-12-08 • 21 min
Leonard asks Penny for advice when his new relationship starts moving too fast.
Episode 11
2008-12-15 • 21 min
Penny starts dating Leonard's handsome colleague; Leonard and his friends are tortured by Sheldon's obsession with gift-giving etiquette.
Episode 12
2009-01-12 • 21 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.
Episode 13
2009-01-19 • 21 min
Sheldon creates a scientific procedure for making friends.
Episode 14
2009-02-02 • 21 min
Sheldon's solution to Penny's financial difficulty leads to a confrontation between Leonard and Penny's ex-boyfriend.
Episode 15
2009-02-09 • 21 min
Leonard and Penny are drawn together after a disastrous visit from Leonard's mother.
Episode 16
2009-03-02 • 21 min
A paintball game leads to a fight between Sheldon and Penny, and romance for Leslie and Wolowitz.
Episode 17
2009-03-09 • 21 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.
Episode 18
2009-03-16 • 20 min
Penny's home business turns into a complete nightmare when Sheldon takes over.
Episode 19
2009-03-30 • 20 min
Penny squares off with a new beautiful female neighbor who may become the building's "new Penny."
Episode 20
2009-04-13 • 20 min
A fellow comic book enthusiast's hitting on Penny leads to Leonard and Howard going to a bar's Ladies' Night.
Episode 21
2009-04-27 • 22 min
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
2009-05-04 • 19 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.
Episode 23
2009-05-11 • 21 min
The guys' plan to work over the summer at the North Pole makes Penny revaluate her feelings for Leonard.