The Big Bang Theory: Season 12, Episode 12

Watch The Big Bang Theory Season 12 Episode 12 Online (The Propagation Proposition). The Big Bang Theory S12E12 Watch Online Movies123 — 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. The Big Bang Theory Season 12 Episode 12: The Propagation Proposition

Writing:
  • Chuck Lorre
  • Bill Prady
  • Adam Faberman
Seasons: 1 2 3 4 5 6 7 8 9 10 11 12
metacritic icon 8.0/10
themoviedb icon 6.8/10
  • Release Date: 2007-09-24
  • Views: 9962
  • Country: US
  • Language: En
  • Runtime: 22
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