Aired Thursday October 14, 8:10am - 8:35amon Channel 4 +1

The Big Bang Theory

Series 12 Episode 20: The Decision Reverberation

Raj publishes a paper that suggests he may have discovered alien life. Penny encourages Leonard to stand up for himself.

Category
Sitcom
Original air date
2019-04-25
Cast and crew
  • Mark CendrowskiDirector
  • Johnny GaleckiLeonard Hofstadter
  • Jim ParsonsSheldon Cooper
  • Kaley CuocoPenny
  • Simon HelbergHoward Wolowitz
  • Kunal NayyarRaj Koothrappali
+ Show all cast and crew