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Episode guide

S12·E12 The Propagation Proposition

Episode
Season 12, Episode 12
Air Date
January 10, 2019
Runtime
20 minutes
Director
Mark Cendrowski
Writers
David Goetsch, Eric Kaplan
Score
6.7/10 (43 TMDB votes)
Story Type
Core Character Arc
Core Aired January 10, 2019 20 min ★ 6.7/10 · 43 TMDB votes

Narrative Classification: Standard continuity chapter maintaining character development and season progression.

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Synopsis

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.

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Director & writers

Guest stars

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Frequently Asked Questions

When did Season 12 Episode 12 of The Big Bang Theory air?

Season 12, Episode 12 ('The Propagation Proposition') originally aired on January 10, 2019.

How long is Season 12 Episode 12 ('The Propagation Proposition')?

The runtime for this episode is approximately 20 minutes.

What happens in The Big Bang Theory Season 12 Episode 12?

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....

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