The Big Bang Theory

The Propagation Proposition

Comedy · Romance

S12, E12: Penny’s old boyfriend, Zack (recurring guest star BRIAN THOMAS SMITH), and his wife want a baby, but when Zack is infertile, they ask Leonard to help. Meanwhile, Raj attempts to mend things with his ex-fiancée Anu.

Jan 10, 2019 · 3m

Cast & Crew

Information

Released
2019
Run Time
3 min
Rated
TV-PG
Content Advisories
Language, Suggestive Dialogue
Region of Origin
United States
© "2018, 2019 BIG BANG THEORY and all related characters and elements are trademarks of and Warner Bros. Entertainment Inc. All Rights Reserved."

Languages

Original Audio
English, English (United Kingdom)
Audio

English (United States) (AAC, ⁨Dolby 5.1⁩)

Subtitles

English (United States) (CC)

Accessibility

Closed captions (CC) refer to subtitles in the available language with the addition of relevant non-dialogue information.