The Big Bang Theory – Season 2, Episode 20
The Hofstadter Isotope
Where to Watch
The Big Bang Theory — Season 2, Episode 20
Watch The Big Bang Theory — Season 2, Episode 20 with a subscription on Max, or buy it on Fandango at Home, Prime Video.
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Cast & Crew
Johnny Galecki
Leonard Hofstadter
Jim Parsons
Sheldon Cooper
Kaley Cuoco
Penny
Simon Helberg
Howard Wolowitz
Kunal Nayyar
Raj Koothrappali
Kevin Sussman
Stuart Bloom
Photos
The Big Bang Theory — Season 2, Episode 20
Episode Info
-
Executive Producer -
Chuck Lorre , Bill Prady -
Screenwriter -
David Goetsch -
Network -
CBS -
Rating -
TV-PG (S|D|L) -
Genre -
Comedy -
Original Language -
English -
Release Date -
Apr 13, 2009