Details
- Season
- Season 12
- Episode
- S12xE12
- Air Date
- 10 January 2019
- Where to watch
Overview
The Big Bang Theory season 12, episode 12 — “The Propagation Proposition” (S12xE12) first aired on 10 January 2019.
Penny runs into her ex-boyfriend, Zack, who invites her and Leonard to a dinner to meet his newlywed wife. After the dinner the newlywed couple make an odd proposition to Leonard, which makes Penny to freak out. Also, Raj attempts to mend things with his ex-fiancée, Anu.