The Big Bang Theory Season 11 Episode 4 - The Explosion Implosion

Airdate: 2017-Oct-16

Episode summary:

Howard and Sheldon bond when they drive to the desert to shoot off a model rocket. Also, when Leonard's mom, Beverly, finds a new best friend in Penny, it rubs Leonard the wrong way.

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 >