The Big Bang Theory · SEASON 11

The Explosion Implosion

Episode 4 · 2017-10-16

★ 6.9
The Big Bang Theory poster
Season 11Episode 4★ 6.9/10
  • Comedy

Episode overview

As Howard worries about fatherhood, he and Sheldon bond when they jointly assemble a model rocket. Meanwhile, Penny bonds with Leonard's mother, Beverly, much to his concern.

21 minutes

Season 11 episodes