When does the next episode air?

Monday, October 23 at 8:00 on CBS

Season 11, Episode 5 - The Collaboration Contamination

Sheldon and Koothrappali confide in Bernadette when they can't handle Amy and Wolowitz working together. Also, Penny and Leonard learn new tactics for how to deal Sheldon from an unlikely source.

Episode Schedule

The Big Bang Theory is in season.

The Big Bang Theory's tenth season has now concluded on CBS. The season premiere, "The Conjugal Conjecture", aired Monday, September 19, 2016 and the tenth season finale, "The Long Distance Dissonance", aired Thursday, May 11, 2017.

CBS has renewed The Big Bang Theory through to its twelfth season in 2018/19. The eleventh season of The Big Bang Theory will premiere Monday, September 25. The show will return to its regular Thursday night time period in November.

  • Monday, October 23 8:00  -  NEW: The Collaboration Contamination
  • Thursday, November 2 8:00  -  NEW: The Proton Regeneration
  • Thursday, November 9 8:00  -  NEW: The Geology Methodology