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The Big Bang Theory

Series 4 Episode 15: The Benefactor Factor

A wealthy benefactor at the university makes Leonard consider how far he's willing to go in the name of science.

Category
Sitcom
Original air date
10/02/2011
Cast and crew
  • Mark CendrowskiDirector
  • Johnny GaleckiLeonard Hofstadter
  • Jim ParsonsSheldon Cooper
  • Kaley CuocoPenny
  • Simon HelbergHoward Wolowitz
  • Kunal NayyarRaj Koothrappali
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