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The Big Bang Theory S12E12 poster

Watch The Big Bang Theory – Season 12 Episode 12: The Propagation Proposition

The Big Bang Theory • Season 12, Episode 12 • 20 min • 2007 • ⭐ 7.9/10 • Comedy

Cast: Jim Parsons , Kaley Cuoco , Johnny Galecki , Simon Helberg , Kunal Nayyar , Melissa Rauch , Mayim Bialik

Directors: Chuck Lorre , Bill Prady

Watch The Big Bang Theory – S12E12

Episode Overview

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.

Episode Navigation

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The Paintball Scattering
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The Confirmation Polarization
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The Meteorite Manifestation
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The D & D Vortex
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The Laureate Accumulation
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The Inspiration Deprivation
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The Decision Reverberation
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The Plagiarism Schism
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The Maternal Conclusion
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The Change Constant / The Stockholm Syndrome
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S12E24 • 23m
Unraveling the Mystery: A Big Bang Farewell

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