Available Episodes
Sheldon and Howard wager comic books over a cricket's species. Meanwhile, a less-than-perfect romantic night agonizes Leonard and Penny.
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A robbery of their apartment sees Leonard and Sheldon call on their friends to devise a security system.
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Stuck on the solution to a physics problem, Sheldon seeks a number of alternative approaches to change his thinking and free the mental block; including working with Penny at The Cheesecake Factory.
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When Leonard is offered a trip to Switzerland on Valentine's Day to see a particle accelerator, he must choose between taking Penny or Sheldon.
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An appearance in traffic court comes at the worst possible time for Sheldon, the same day Stan Lee is appearing at the comic book store.
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The guys go to a garage sale and find a ring from the Lord of the Rings films, and the rare find threatens their friendship.
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Subsequent to Leonard and Penny's break-up, Sheldon tries to hide from Leonard and the gang that he had a friendly spaghetti dinner at Penny's.
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The rest of the gang is interviewed by the FBI for Wolowitz's security clearance with Sheldon accidentally letting slip some damaging information.
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The guys camp out in line to see a print of Raiders of the Lost Ark with :21 extra seconds and are outraged to see Wil Wheaton and his friends being allowed to skip the line. Penny and Bernadette invite Amy to their girls night.
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Penny asks Leonard to lie to her visiting father, while Howard, Raj and Bernadette spend all night looking through a telescope.
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Amy crushes on one of Penny's dim ex-boyfriends, Zack. Raj and Wolowitz argue over who'd be the better superhero.
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The guys get Zack and Penny to join their Justice League costume for a New Year's Eve bash at the comic book store.
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Their friendship becomes strained when Sheldon tries to take over Leonard's creation of a smartphone application that solves differential equations.
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