The Big Bang Theory

The Gorilla Experiment

E10    Dec 7, 2009    21m    TV-PG
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Penny gets help from Sheldon in order to understand what Leonard's work is, while Wolowitz develops a jealousy when Leonard starts hanging out with his new girlfriend.
Where to Watch The Gorilla Experiment
Cast of The Gorilla Experiment
  • Johnny GaleckiLeonard Hofstadter
  • Jim ParsonsSheldon Cooper
  • Kaley CuocoPenny
  • Simon HelbergHoward Wolowitz
  • Kunal NayyarRajesh Koothrappali
  • Melissa RauchBernadette Rostenkowski
  • Carol Ann SusiDebbie Wolowitz (voice)

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