"The Mommy Observation"

Howard and Sheldon visit Sheldon's mom on their trip to NASA but she ends up surprising them instead on The Big Bang Theory.

  • 4.7 / 5.0
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"The Friendship Turbulence"

Wolowitz invites Sheldon on a trip to Houston. When it doesn't go well, Bernadette tries to bring them back together.

  • 4.5 / 5.0
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"The Table Polarization"

When Leonard buys a dining room table, Sheldon begins to analyze the recent changes in his life on The Big Bang Theory.

  • 4.5 / 5.0
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"The Locomotive Manipulation"

Amy, Sheldon, Howard and Bernadette plan a trip to the wine country together on The Big Bang Theory.

  • 4.7 / 5.0
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"The Convention Conundrum"

When Sheldon can't get in to Comic Con, he decides to devise his own comic book convention on The Big Bang Theory.

  • 4.9 / 5.0
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"The Occupation Recalibration"

Penny gets a big break at a full time acting job while Sheldon is forced to take time off on The Big Bang Theory.

  • 4.5 / 5.0
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"The Hesitation Ramification"

When Penny's acting debut doesn't go as she hoped, she ends up asking Leonard an serious question about their relationship on The Big Bang Theory.

  • 4.5 / 5.0
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"The Cooper Extraction"

With Sheldon away, each of them wonders what their lives would be like if they'd never met him on The Big Bang Theory.

  • 4.8 / 5.0
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"The Discovery Dissipation"

Leonard and Amy try to help Sheldon handle when one of his discoveries is disproved on The Big Bang Theory.

  • 4.0 / 5.0
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"The Thanksgiving Decoupling"

Sheldon protests when the rest of the gang wants to spend Thanksgiving with Mrs. Wolowitz on The Big Bang Theory.

  • 4.8 / 5.0
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TBBT Quotes

Leonard: I'm not a crybaby.
Penny: Toy Story 3?
Leonard: They were holding hands in a furnace!

Two tea bags in one cup? You're not at a rave.

Sheldon