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The Big Bang Theory/The Hofstadter Isotope
From The TV IV
The Hofstadter Isotope | |
Season 2, Episode 20 | |
Airdate | April 13, 2009 |
Production Number | 3T7370 |
Written by | Dave Goetsch |
Directed by | Mark Cendrowski |
← 2x19 The Dead Hooker Juxtaposition |
2x21 → The Vegas Renormalization |
The Big Bang Theory — Season Two |
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The Hofstadter Isotope is the twentieth episode of the second season of The Big Bang Theory, and the thirty-seventh episode overall.
Starring: Johnny Galecki (Leonard Hofstadter), Jim Parsons (Sheldon Cooper), Kaley Cuoco (Penny), Simon Helberg (Howard Wolowitz), Kunal Nayyar (Rajesh Koothrappali)
Guest Starring: Kevin Sussman (Stuart)
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