S2·E20 The Hofstadter Isotope
Core
Aired April 13, 2009
Narrative Classification: Standard continuity chapter maintaining character development and season progression.
Synopsis
A fellow comic book enthusiast's hitting on Penny leads to Leonard and Howard going to a bar's Ladies' Night.
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Frequently Asked Questions
When did Season 2 Episode 20 of The Big Bang Theory air?
Season 2, Episode 20 ('The Hofstadter Isotope') originally aired on April 13, 2009.
How long is Season 2 Episode 20 ('The Hofstadter Isotope')?
The episode follows the standard broadcast runtime for The Big Bang Theory.
What happens in The Big Bang Theory Season 2 Episode 20?
A fellow comic book enthusiast's hitting on Penny leads to Leonard and Howard going to a bar's Ladies' Night....