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The Big Bang Theory:
Season 12
12x12
The Propagation Proposition
TV-14
Episode
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Aired
2019-01-11T01:00:00Z
on CBS
Runtime
20
m
Director
Mark Cendrowski
Country
United States
Languages
English
Genres
Comedy
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Penny’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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Actors
All Cast & Crew
Season Regulars
7
Guest Stars
6
Johnny Galecki
Leonard Hofstadter
Jim Parsons
Sheldon Cooper
Kaley Cuoco
Penny
Simon Helberg
Howard Wolowitz
Kunal Nayyar
Rajesh Koothrappali
Melissa Rauch
Bernadette Rostenkowski
Mayim Bialik
Amy Farrah Fowler
Brian George
V.M. Koothrappali
Brian Thomas Smith
Zack Johnson
Rati Gupta
Anu
Shay Ali
Greg
Chip Chinery
Bob
Lindsey Kraft
Marissa Johnson
Ads suck, but they help pay the bills.
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Ads suck, but they help pay the bills.
Hide ads with
VIP.
Ads suck, but they help pay the bills.
Hide ads with
VIP.
Ads suck, but they help pay the bills.
Hide ads with
VIP.
Ads suck, but they help pay the bills.
Hide ads with
VIP.
Ads suck, but they help pay the bills.
Hide ads with
VIP.
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