Episode
The Big Bang Theory: The Hofstadter Isotope
Overview
A fellow comic book enthusiast's hitting on Penny leads to Leonard and Howard going to a bar's Ladies' Night.
Details
- Series
- The Big Bang Theory
- Season
- Season 2
- Episode
- Episode 20
- Air date
- 2009-04-13
- Runtime
- 20 min
Episode context
The Hofstadter Isotope is Episode 20 in Season 2 of The Big Bang Theory. It aired on 2009-04-13. The runtime is 20 min.
Previous / Next
Episode 19: The Dead Hooker Juxtaposition
Penny squares off with a new beautiful female neighbor who may become the building's "new Penny."
Episode 21: The Vegas Renormalization
Leonard and Koothrappali escort a heartbroken Wolowitz to Las Vegas, and Sheldon becomes locked out of his apartment and must stay with Penny.
More episodes from this season
Episode 18: The Work Song Nanocluster
Penny's home business turns into a complete nightmare when Sheldon takes over.
Episode 22: The Classified Materials Turbulence
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 17: The Terminator Decoupling
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 23: The Monopolar Expedition
The guys' plan to work over the summer at the North Pole makes Penny revaluate her feelings for Leonard.
Episode 16: The Cushion Saturation
A paintball game leads to a fight between Sheldon and Penny, and romance for Leslie and Wolowitz.
Episode 15: The Maternal Capacitance
Leonard and Penny are drawn together after a disastrous visit from Leonard's mother.
Episode 14: The Financial Permeability
Sheldon's solution to Penny's financial difficulty leads to a confrontation between Leonard and Penny's ex-boyfriend.
Episode 13: The Friendship Algorithm
Sheldon creates a scientific procedure for making friends.
Episode 12: The Killer Robot Instability
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 11: The Bath Item Gift Hypothesis
Penny starts dating Leonard's handsome colleague; Leonard and his friends are tortured by Sheldon's obsession with gift-giving etiquette.