Leonard's New Job

Leonard's New Job

The gang is thrown for a loop when Leonard gets offered a great job overseas on the season finale of The Big Bang Theory. "The Bon Voyage Reaction is the 24th episode of the show's sixth season.
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Simon Helberg on The Big Bang Theory

Simon Helberg on The Big Bang Theory

We adore Simon Helberg as Howard on The Big Bang Theory. But, really, who does not?
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Do Girls Play?

Do Girls Play?

The girls join in on a game of Dungeons and Dragons for the very first time on The Big Bang Theory. "The Love Spell Potential" is the 23rd episode of the show's sixth season.
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Professor Proton

Professor Proton

Sheldon hires Professor Proton (guest star Bob Newhart) to come to his apartment on The Big Bang Theory. "The Proton Resurgence" is the 22nd episode of the show's sixth season.
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Trouble With Closure

Trouble With Closure

Amy tries to help Sheldon deal when his favorite TV show is cancelled before its proper conclusion on The Big Bang Theory. "The Closure Alternative" is the 21st episode of the show's sixth season.
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Roadblocks to Tenure

Roadblocks to Tenure

Sheldon may experience a roadblock to gaining tenure when he has a history with someone from HR on The Big Bang Theory. "The Tenure Turbulence" is the 20th episode of the show's sixth season.
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The Cocktail Party

The Cocktail Party

Leonard and Penny throw a cocktail party but are their friends adult enough to enjoy it on The Big Bang Theory? "The Closet Reconfiguration" is the 19th episode of the show's sixth season.
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The Junior High Presentation

The Junior High Presentation

Sheldon, Howard, and Leonard give a presentation about careers in science to a group of girls in junior high on The Big Bang Theory. "The Contractual Obligation Implementation" is the 18th episode of the shows sixth season.
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Koothrapali Refuses to Leave

Koothrapali Refuses to Leave

Koothrapali refuses to leave his apartment after a bad date on The Big Bang Theory. "The Monster Isolation" is the 17th episode of the show's sixth season.
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Penny & Leonard's Valentine's

Penny & Leonard's Valentine's

Who would guess that Penny and Leonard's Valentine's day wouldn't go as planned on The Big Bang Theory? "The Tangilble Affection of Proof" is the 16th episode of the show's sixth season.
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Leonard & Sheldon's Fight

Leonard & Sheldon's Fight

Leonard and Sheldon's fight spills over into everyone else's lives on The Big Bang Theory. "The Spoiler Alert Segmentation" is the 15th episode of the show's sixth season.
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Sheldon Reacts Badly

Sheldon Reacts Badly

Sheldon reacts badly when he finds out he had to work with Barry Kripke on The Big Bang Theory. "The Cooper/Kripke Inversion" is the 14th episode of the show's sixth season.
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TBBT Quotes

Penny, there's only one cookie with something in the middle that solves life's problems, and that's an Oreo. Or a Nutter Butter, if you're in a pinch.

Sheldon

Penny: Hey, Sheldon, did you change your Wi-Fi password again?
Sheldon: Yes, it's "Penny, get your own Wi-Fi." No spaces.