The Big Bang Theory

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  • :
  • : 279
  • : 544k
  • CBS
  • 20
  • Comedy Romance

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3
3x1
The Electric Can Opener Fluctuation
Episode overview
When Sheldon learns the guys tampered with his expedition data he got from the arctic, he returns to Texas in disgrace. This results in the guys following him, which threatens Leonard's .. show full overview
3x2
The Jiminy Conjecture
Episode overview
Leonard and Penny struggle to recover from an awkward first hookup while Sheldon and Howard stake their best comic books on a bet to determine the species of a cricket.
3x3
The Gothowitz Deviation
Episode overview
Howard and Raj visit a Goth nightclub to pick up women while Sheldon attempts to build a better Penny using chocolate-based behavior modification.
3x4
The Pirate Solution
Episode overview
Raj must find a new job or be sent back to India, but Sheldon has a solution, which leaves Leonard and Penny dealing with Howard as a third wheel.
3x5
The Creepy Candy Coating Corollary
Episode overview
After overhearing that Wil Wheaton is entering a trading-card competition, Sheldon decides to enter it himself. Meanwhile, Penny sets up one of her friends on a date with Wolowitz.
3x6
The Cornhusker Vortex
Episode overview
Sheldon becomes Leonard's teacher in order to understand football, while an incident with flying a kite threatens Howard and Raj's friendship.
3x7
The Guitarist Amplification
Episode overview
When Penny has an old friend staying over at her apartment, an argument ensues between her and Leonard, causing Sheldon to get caught between the couple.
3x8
The Adhesive Duck Deficiency
Episode overview
With Leonard, Howard and Raj away camping in the desert, an injured Penny has only Sheldon to rely on.
3x9
The Vengeance Formulation
Episode overview
After he's humiliated on National Public Radio, Sheldon vows to destroy Kripke, while Wolowitz tries not to destroy his new relationship with Bernadette.
3x10
The Gorilla Experiment
Episode overview
Penny gets help from Sheldon in order to understand what Leonard's work is, while Wolowitz develops a jealousy when Leonard starts hanging out with his new girlfriend.
3x11
The Maternal Congruence
Episode overview
A Christmas visit from his mother has Leonard discovering she's kept a lot of news from him that she shares with Sheldon and worrying if she'll approve of his romance with Penny.
3x12
The Psychic Vortex
Episode overview
Leonard is aghast to find out a secret of Penny's: she believes in psychics. Meanwhile, Sheldon tries to assist Koothrappali in picking up a girl at a university mixer.
3x13
The Bozeman Reaction
Episode overview
When their apartment is robbed, Leonard and Sheldon turn to their friends to create a state-of-the-art security system.
3x14
The Einstein Approximation
Episode overview
Sheldon's search for the answer to a physics problem leads him to work at the Cheesecake Factory with Penny.
3x15
The Large Hadron Collision
Episode overview
Leonard can only bring one guest on a trip to see CERN's Large Hadron Collider (the world's largest and highest energy particle accelerator) in Switzerland on Valentine's Day.
3x16
The Excelsior Acquisition
Episode overview
Sheldon winds up in traffic court when he gets a ticket because of Penny.
3x17
The Precious Fragmentation
Episode overview
When the guys find a ring from "The Lord of the Rings" at a garage sale, it threatens to tear them apart.
3x18
The Pants Alternative
Episode overview
Sheldon's friends come to his aid when his fear of public speaking stands between him and a coveted award.
3x19
The Wheaton Recurrence
Episode overview
A fight between Leonard and Penny threatens their relationship, while Sheldon battles Wil Wheaton in bowling.
3x20
The Spaghetti Catalyst
Episode overview
When Leonard and Penny aren't speaking, Sheldon goes to extremes to keep them both happy.
3x21
The Plimpton Stimulation
Episode overview
Leonard and Sheldon compete for the attention of a famous female physicist.
3x22
The Staircase Implementation
Episode overview
Leonard tells Penny about how he met Sheldon for the first time...and what happened to the elevator.
3x23
The Lunar Excitation
Episode overview
While Penny worries that dating Leonard has ruined her for normal guys, Wolowitz and Koothrappali search for Sheldon's perfect match online.

Characters