The Big Bang Theory Season 12 Episode 20
Overview
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.
Views: 20164
Serie: The Big Bang Theory
Director: Mark Cendrowski
Guest Star: Angela Lin, David Theune, Elijah Isaiah Cook, Joshua Malina, Rati Gupta
