The Big Bang Theory
The Big Bang Theory S11 E4 - The Explosion Implosion
7.9
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.
| Creator | Chuck Lorre |
|---|---|
| Actor | Johnny Galecki, Jim Parsons, Kaley Cuoco |
| Country | United States of America |
| Production | Chuck Lorre Productions |