Watch S4, EP10: The Alien Parasite Hypothesis with Fubo for $0 Today
Amy realizes she has feelings for Penny's ex; Koothrappali and Wolowitz try to prove who would be a better superhero.
Amy realizes she has feelings for Penny's ex; Koothrappali and Wolowitz try to prove who would be a better superhero.
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S5, EP15 "The Friendship Contraction"Leonard starts to reconsider his friendship with Sheldon; Wolowitz tries to choose his astronaut nickname.
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S5, EP16 "The Vacation Solution"Sheldon goes to work with Amy in her neurobiology lab when the university forces him to take a vacation; Bernadette asks Howard to sign a pre-nup.
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S9, EP18 "The Application Deterioration"Leonard, Sheldon and Wolowitz file for a patent on their new invention; Penny, Amy and Bernadette give dating advice to Koothrappali after his breakup with Emily.
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S9, EP19 "The Solder Excursion Diversion"Sheldon makes a surprise revelation when Amy buys him a new laptop; Leonard and Wolowitz get sold out by Koothrappali after lying to their wives to attend a movie screening.
