The Big Bang Theory Season 12 Episode 20 - The Decision Reverberation

Airdate: 2019-Apr-25

Episode summary:

Koothrappali is worried people won't take him seriously in his own field after publishing a paper that suggests he may have discovered alien life. Also, Leonard wants to be the principal investigator on a plasma physics study.

About The Big Bang Theory series:

The Big Bang Theory is an American sitcom that stars Johnny Galecki, Jim Parsons, Kaley Cuoco, Simon Helberg, Kunal Nayyar, Sara Gilbert, Melissa R...Show more >