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.
The Big Bang Theory
S3, EP21 "The Plimpton Stimulation"Sheldon invites a famous physicist to the apartment, and competes with Leonard for her attention.
The Big Bang Theory
S10, EP13 "The Romance Recalibration"Penny thinks Leonard is taking her for granted and decides to go on a spa weekend with Amy; Wolowitz and Koothrappali try to fix a squeaky floorboard in the baby's room.
The Big Bang Theory
S12, EP14 "The Meteorite Manifestation"Sheldon is thrilled to help Bernadette and Wolowitz navigate bureaucratic paperwork, until he discovers they are breaking the law; Leonard is disappointed when his friends exclude him from a scientific project.
The Big Bang Theory
S7, EP9 "The Thanksgiving Decoupling"When the gang decides to spend Thanksgiving at Mrs. Wolowitz's house, Sheldon protests; Leonard and Penny deal with an error from her past.
The Big Bang Theory
S7, EP8 "The Itchy Brain Simulation"When a mistake comes to light, Sheldon makes Leonard walk a mile in his shoes; Penny decides to confront Raj's ex.
The Big Bang Theory
S7, EP7 "The Proton Displacement"When Professor Proton asks Leonard for help with an experiment, Sheldon retaliates by befriending Proton's rival, Bill Nye.
The Big Bang Theory
S7, EP6 "The Romance Resonance"Sheldon's latest scientific breakthrough leaves him feeling like a fraud; a romantic gesture between Howard and Bernadette causes Penny to up her game with Leonard.
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