The Propagation Proposition S12E12 The Big Bang Theory on Binge by POPSUGAR
CBS
The Big Bang Theory
TV-14 Leonard and Sheldon are brilliant physicists – geniuses in the laboratory but socially challenged everywhere else. Enter beautiful, street-smart neighbor Penny, who aims to teach them a thing or two about life.
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First Air Date: 09/24/2007
65 BingeScore
27 Bingers
Season 1 Binge Time 8hrs 48mins
Number of Seasons 12
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S12E12 The Propagation Proposition
Penny's ex-boyfriend, Zack (Brian Thomas Smith), 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 (Rait Gupta). First Air Date: 01/10/2019