Watch S12, EP12: The Propagation Proposition with Fubo for $0 Today
Penny's ex-boyfriend Zack learns that he is infertile, so he asks Leonard for help; Koothrappali attempts to mend things with his ex-fiancee Anu.
Penny's ex-boyfriend Zack learns that he is infertile, so he asks Leonard for help; Koothrappali attempts to mend things with his ex-fiancee Anu.
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The Big Bang Theory
S1, EP9 "The Cooper-Hofstadter Polarization"Penny tries to mediate when Sheldon and Leonard disagree on whether to present their joint findings at a physics conference.
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S1, EP10 "The Loobenfeld Decay"Leonard and Sheldon try to avoid seeing Penny perform after hearing her sing, but the elaborate lie Sheldon tells leads to an unexpected result.
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S1, EP11 "The Pancake Batter Anomaly"Leonard and the boys avoid Sheldon when he gets sick, leaving Penny to nurse him back to health.
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S1, EP12 "The Jerusalem Duality"Sheldon and Leonard look for a way to derail a 15-year-old physics prodigy's research.
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S11, EP24 "The Bow Tie Asymmetry"When Amy's parents and Sheldon's family arrive, everybody is focused on making sure the wedding arrangements go according to plan -- everyone except the bride and groom.
The Big Bang Theory
S11, EP23 "The Sibling Realignment"Sheldon's mother won't attend his wedding unless he invites his brother; the Wolowitz kids inadvertently infest Amy, Bernadette, Wolowitz and Koothrappali with pink eye.
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S11, EP22 "The Monetary Insufficiency"Sheldon goes to Las Vegas to win money for science; Penny and Bernadette take Amy wedding dress shopping, but her terrible choice entangles them in a web of lies.
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S11, EP21 "The Comet Polarization"Sheldon's comic book store experience changes when writer Neil Gaiman puts Stuart's store on the map; friendships are threatened when Koothrappali takes credit for Penny's astronomical discovery.
