The Big Bang Theory

The Hofstadter Isotope

Directed by Mark Cendrowski
TV-PG
S2 • E20    Apr 12, 2009    20m
7.8
A fellow comic book enthusiast's hitting on Penny leads to Leonard and Howard going to a bar's Ladies' Night.

Where to Watch The Hofstadter Isotope

Cast of The Hofstadter Isotope

  • Johnny GaleckiLeonard Hofstadter
  • Jim ParsonsSheldon Cooper
  • Kaley CuocoPenny
  • Simon HelbergHoward Wolowitz
  • Kunal NayyarRajesh Koothrappali
  • Kevin SussmanStuart Bloom
  • Mark CendrowskiDirector
  • David GoetschWriter
  • Peter ChakosProducer
  • Faye Oshima BelyeuProducer

 

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