Leonard Learns the Truth - The Big Bang Theory

Leonard Learns the Truth - The Big Bang Theory

Leonard learns the truth about why his mother came to visit on The Big Bang Theory. "The Maternal Conclusion" is the 22nd episode of the show's 12th season.
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Turning Him In - The Big Bang Theory

Turning Him In - The Big Bang Theory

Amy and Sheldon aren't sure if they should turn in Dr. Pemberton on The Big Bang Theory. "The Plagiarism Schism" is the 21st episode of the show's 12th season.
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Not Taken Seriously - The Big Bang Theory

Not Taken Seriously - The Big Bang Theory

Koothrappali is worried he won't be taken seriously after publishing a paper on The Big Bang Theory. "The Decision Reverberation" is the 20th episode of the show's 12th season.
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The Big Bang Theory Final Season Poster

The Big Bang Theory Final Season Poster

It's the end of the line for The Big Bang Theory. This is a poster for Season 15!
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Comforting Amy - The Big Bang Theory

Comforting Amy - The Big Bang Theory

Sheldon comforts Amy when she has a meltdown on The Big Bang Theory. "The Inspiration Deprivation" is the 19th episode of the show's 12th season.
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Watching The Competitors - The Big Bang Theory

Watching The Competitors - The Big Bang Theory

Competitors Pemberton and Campbell charm America on a publicity tour upsetting Sheldon and Amy on The Big Bang Theory. "The Laureate Accumulation" is the 18th episode of the show's 12th season.
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Experimenting On The Kids - The Big Bang Theory

Experimenting On The Kids - The Big Bang Theory

With Wolowitz in charge, Sheldon and the gang experiment on the kids on The Big Bang Theory. "The Conference Valuation" is the 17th episode of the show's 12th season.
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Celebrity Dungeons and Dragons - The Big Bang Theory

Celebrity Dungeons and Dragons - The Big Bang Theory

Will Wheaton hosts a celebrity dungeons and dragons event on The Big Bang Theory. "The D & D Vortex" is the 16th episode of the show's 12th season.
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Leonard's Donation - The Big Bang Theory

Leonard's Donation - The Big Bang Theory

Leonard may reconsider his "donation" to Zack and his wife on The Big Bang Theory. "The Donation Oscillation" is the
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Breaking the Law - The Big Bang Theory

Breaking the Law - The Big Bang Theory

Bernadette and Wolowitz navigate bureaucratic paperwork but may be breaking the law on The Big Bang Theory. "The Meteorite Manifestation" is the 14th episode of the show's 12th season.
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Kicking Off Amy - The Big Bang Theory

Kicking Off Amy - The Big Bang Theory

Two physicists try to kick Amy off the Nobel nomination on The Big Bang Theory. "The Confirmation Polarization" is the 13th episode of the show's 12th season.
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Mending Their Relationship - The Big Bang Theory

Mending Their Relationship - The Big Bang Theory

Koothrappali attempts to mend things with his ex-fiancée on The Big Bang Theory. "The Propagation Proposition" is the 12th episode of the show's 12th season.
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TBBT Quotes

It's very simple. Scissors cuts paper, paper covers rock, rock crushes lizard, lizard poisons Spock, Spock smashes scissors, scissors decapitates lizard, lizard eats paper, paper disproves Spock, Spock vaporizes rock, and, as it always has, rock crushes scissors

Sheldon

Leonard: Hi. I'm Leonard. You are beautiful. You pop, sparkle and buzz electric. I'm going to pick you up at eight, show you a night you will never forget.
Raj: Where are we going?