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EPISODE · HBO MAX
Season 12 · Episode 12
Landed Thu, 10 Jan 2019 · 20:00 your time · 1 episode · 30m
Season 12, Episode 12 of The Big Bang Theory aired Thursday, 10 January 2019 at 8pm ET on Paramount+.
- S12E12The Propagation PropositionPenny's ex-boyfriend, Zack, and his wife want a baby, but when Zack is infertile, they ask Leonard for help. Also, Koothrappali attempts to mend things with his ex-fiancée, Anu.
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Episode 13
Thu 17 Jan · 20:00
The Big Bang Theory
12 seasons · 279 episodes · ended
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