Season 7 Episode 20

8/9

Knock, knock on "The Relationship Diremption" S7 E20

Sheldon faces a personal crisis after deciding he’s wasting his time with string theory, on THE BIG BANG THEORY, Thursday, April 10 (8:00-8:31 PM, ET/PT) on the CBS Television Network. Pictured left to right: Mayim Bialik and Jim Parsons Photo: Sonja Flemming/CBS ©2014 CBS Broadcasting, Inc. All Rights Reserved