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- The Big Bang Theory Season 12 Episode12 | VIP SERVER 1
- The Big Bang Theory Season 12 Episode12 | VIP SERVER 2
The Propagation Proposition
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.
12 - 1The Conjugal Configuration Sep. 24, 2018
12 - 2The Wedding Gift Wormhole Sep. 27, 2018
12 - 3The Procreation Calculation Oct. 04, 2018
12 - 4The Tam Turbulence Oct. 11, 2018
12 - 5The Planetarium Collision Oct. 18, 2018
12 - 6The Imitation Perturbation Oct. 25, 2018
12 - 7The Grant Allocation Derivation Nov. 01, 2018
12 - 8The Consummation Deviation Nov. 08, 2018
12 - 9The Citation Negation Nov. 15, 2018
12 - 10The VCR Illumination Dec. 06, 2018
12 - 11The Paintball Scattering Jan. 03, 2019
12 - 12The Propagation Proposition Jan. 10, 2019
12 - 13The Confirmation Polarization Jan. 17, 2019
12 - 14The Meteorite Manifestation Jan. 31, 2019
12 - 15The Donation Oscillation Feb. 07, 2019
12 - 16The D & D Vortex Feb. 21, 2019
12 - 17The Conference Valuation Mar. 07, 2019
12 - 18The Laureate Accumulation Apr. 04, 2019
12 - 19The Inspiration Deprivation Apr. 18, 2019
12 - 20The Decision Reverberation Apr. 25, 2019
12 - 21The Plagiarism Schism May. 02, 2019
12 - 22The Maternal Conclusion May. 09, 2019
12 - 23The Change Constant / The Stockholm Syndrome May. 16, 2019
12 - 24Unraveling the Mystery: A Big Bang Farewell May. 16, 2019