Leonard and Koothrappali escort a heartbroken Wolowitz to Las Vegas, and Sheldon becomes locked out of his apartment and must stay with Penny.
- Directed by
- Mark Cendrowski
- Written by
- Steven Molaro, Jessica Ambrosetti, Nikki Lorre
Guest stars
All episodes — Season 2
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S2 E1The Bad Fish Paradigm
Sep 22, 20087.922 min
Penny's first date with Leonard goes awry; Penny finds Sheldon to be an unwilling confidant.
S2 E2The Codpiece Topology
Sep 29, 20087.721 min
A jealous Leonard reacts to Penny's new guy by rebounding with Leslie.
S2 E3The Barbarian Sublimation
Oct 6, 2008821 min
Sheldon creates a monster when he introduces Penny to online gaming.
S2 E4The Griffin Equivalency
Oct 13, 20087.621 min
Raj gets an inflated ego and makes a play for Penny after being referenced in a magazine article.
S2 E5The Euclid Alternative
Oct 20, 20087.620 min
Leonard and his friends stage an intervention to force Sheldon to face his fear of driving.
S2 E6The Cooper-Nowitzki Theorem
Nov 3, 20087.921 min
Sheldon and the gang are confused when a young grad student is attracted to him.