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The Big Bang Theory

Series 7 Episode 8: The Itchy Brain Simulation

Leonard attempts to try and keep Sheldon from overreacting to a mistake, forcing Sheldon to make Leonard experience first hand what it's like to be him. Elsewhere, Penny runs into Raj's ex-girlfriend Lucy.

Original air date
Cast and crew
  • Mark CendrowskiDirector
  • Johnny GaleckiLeonard Hofstadter
  • Jim ParsonsSheldon Cooper
  • Kaley CuocoPenny
  • Simon HelbergHoward Wolowitz
  • Kunal NayyarRaj Koothrappali
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