Watch S10, EP22: The Cognition Regeneration with Fubo
Leonard is less than thrilled when Penny considers accepting a job offer from Zack, her ex-boyfriend.
Leonard is less than thrilled when Penny considers accepting a job offer from Zack, her ex-boyfriend.
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The Big Bang Theory
S4, EP9 "The Boyfriend Complexity"Penny asks Leonard to lie to her father (Keith Carradine); Howard, Raj and Bernadette pull an all-nighter at a telescope.
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S4, EP10 "The Alien Parasite Hypothesis"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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S4, EP12 "The Bus Pants Utilization"Leonard's idea for a smartphone application causes friction in his friendship with Sheldon.
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S4, EP13 "The Love Car Displacement"Bernadette runs into her ex-boyfriend (Rick Fox) while attending a science event with Wolowitz.
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S5, EP3 "The Pulled Groin Extrapolation"Amy and Leonard try to become better acquainted; Bernadette, Howard and Mrs. Wolowitz spend the weekend together.
The Big Bang Theory
S5, EP2 "The Infestation Hypothesis"Amy is caught in the middle when Penny and Sheldon get into an argument over a pre-owned chair; Leonard tries to make his long-distance relationship more exciting.
The Big Bang Theory
S5, EP1 "The Skank Reflex Analysis"Penny worries that she has ruined her relationship with her friends; Sheldon takes over the paintball team.
