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Johnny Galecki
Leonard Hofstadter
Jim Parsons
Sheldon Cooper
Kaley Cuoco
Penny
Simon Helberg
Howard Wolowitz
Kunal Nayyar
Rajesh Koothrappali
Melissa Rauch
Bernadette Rostenkowski
Mayim Bialik
Amy Farrah Fowler
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Sep 22, 200822 min
Penny's first date with Leonard goes awry; Penny finds Sheldon to be an unwilling confidant.
Sep 29, 200821 min
A jealous Leonard reacts to Penny's new guy by rebounding with Leslie.
Oct 6, 200821 min
Sheldon creates a monster when he introduces Penny to online gaming.
Oct 13, 200821 min
Raj gets an inflated ego and makes a play for Penny after being referenced in a magazine article.
Oct 20, 200820 min
Leonard and his friends stage an intervention to force Sheldon to face his fear of driving.
Nov 3, 200821 min
Sheldon and the gang are confused when a young grad student is attracted to him.
Nov 10, 200821 min
When Sheldon bans Penny from the apartment for numerous minor infractions, she decides to retaliate.
Nov 17, 200820 min
Leonard inadvertently steals away the new woman Wolowitz thinks is the love of his life.
Nov 24, 200821 min
Sheldon is thrilled when Leonard starts dating a woman who meets Sheldon's stringent standards.
Dec 8, 200821 min
Leonard asks Penny for advice when his new relationship starts moving too fast.
Dec 15, 200821 min
Penny starts dating Leonard's handsome colleague; Leonard and his friends are tortured by Sheldon's obsession with gift-giving etiquette.
Jan 12, 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.
Jan 19, 200921 min
Sheldon creates a scientific procedure for making friends.
Feb 2, 200921 min
Sheldon's solution to Penny's financial difficulty leads to a confrontation between Leonard and Penny's ex-boyfriend.
Feb 9, 200921 min
Leonard and Penny are drawn together after a disastrous visit from Leonard's mother.
Mar 2, 200921 min
A paintball game leads to a fight between Sheldon and Penny, and romance for Leslie and Wolowitz.
Mar 9, 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.
Mar 16, 200920 min
Penny's home business turns into a complete nightmare when Sheldon takes over.
Mar 30, 200920 min
Penny squares off with a new beautiful female neighbor who may become the building's "new Penny."
Apr 13, 200920 min
A fellow comic book enthusiast's hitting on Penny leads to Leonard and Howard going to a bar's Ladies' Night.
Apr 27, 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.
May 4, 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.
May 11, 200921 min
The guys' plan to work over the summer at the North Pole makes Penny revaluate her feelings for Leonard.
