Video

The Big Bang Theory

The Propagation Proposition

Penny’s ex-boyfriend, Zack (Brian Thomas Smith), and his wife want a baby, but when Zack is infertile, they ask Leonard for help. Also, Koothrappali attempts to mend things with his …

Read More

Download Video Embed Video
The Propagation Proposition

Clip Airdate: 01/10/2019

The Propagation Proposition

Related Photos | Related Releases

The Propagation Proposition

Clip Airdate: 01/10/2019

The Propagation Proposition

Related Photos | Related Releases