Watch S3, EP15: The Large Hadron Collision with Fubo for $0 Today
Leonard must choose who to bring with him when he goes to see the Large Hadron Collider on Valentine's Day.
Leonard must choose who to bring with him when he goes to see the Large Hadron Collider on Valentine's Day.
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The Big Bang Theory
S3, EP20 "The Spaghetti Catalyst"Sheldon goes to extremes to keep Leonard and Penny happy when they stop speaking to each other.
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S3, EP21 "The Plimpton Stimulation"Sheldon invites a famous physicist to the apartment, and competes with Leonard for her attention.
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S3, EP22 "The Staircase Implementation"Leonard tells Penny about how he met Sheldon and what happened to the elevator.
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S3, EP23 "The Lunar Excitation"Raj and Howard set up an online dating profile for Sheldon and find the perfect woman.
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S12, EP6 "The Imitation Perturbation"When Wolowitz dresses up as Sheldon for Halloween, Sheldon seeks retaliation at Leonard and Penny's Halloween party; Leonard is shocked when Penny doesn't remember their first kiss.
