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The Big Bang Theory

Sitcom

Mensa-fied best friends and roommates Leonard and Sheldon, physicists who work at the California Institute of Technology, may be able to tell everybody more than they want to know about quantum physics, but getting through most basic social situations, especially ones involving women, totally baffles them. How lucky, then, that babe-alicious waitress/aspiring actress Penny moves in next door. Frequently seen hanging out with Leonard and Sheldon are friends and fellow Caltech scientists Wolowitz and Koothrappali. Will worlds collide? Does Einstein theorize in the woods?

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The Big Bang Theory Cast

Upcoming TV Listings for The Big Bang Theory

The Big Bang Theory The Planetarium Collision

When Amy doesn't have time to work on super-asymmetry, Sheldon goes to great lengths to ensure she's available; Koothrappali doesn't want Wolowitz to join him in hosting a show at the planetarium.

2:30 PM on KTLA Los Angeles, CA

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The Big Bang Theory The Locomotion Reverberation

Leonard and Wolowitz try to distract Sheldon when he slows the progress of their guidance system; Raj and Stuart look after baby Halley while Penny and Amy take Bernadette for a night out.

10:00 PM on WPIX New York (SUPERSTATION)

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The Big Bang Theory The Allowance Evaporation

Sheldon and Amy have their first fight since moving in together; Koothrappali is shocked at the realities of financial independence when he stops receiving support from his father.

10:30 PM on WPIX New York (SUPERSTATION)

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The Big Bang Theory The Bozeman Reaction

After their apartment is robbed, Leonard and Sheldon turn to their friends to create a state-of-the-art security system.

1:30 PM on CTV Comedy - East

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The Big Bang Theory The Einstein Approximation

Sheldon tries to figure out the answer to a physics problem by working with Penny.

2:00 PM on CTV Comedy - East

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The Big Bang Theory The Large Hadron Collision

Leonard must choose who to bring with him when he goes to see the Large Hadron Collider on Valentine's Day.

2:30 PM on CTV Comedy - East

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The Big Bang Theory The Electric Can Opener Fluctuation

After tampering with Sheldon's Arctic-expedition data, the guys follow him back to Texas, which threatens Leonard's chances for romance with Penny.

4:30 PM on WPIX New York (SUPERSTATION)

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The Big Bang Theory The Bozeman Reaction

After their apartment is robbed, Leonard and Sheldon turn to their friends to create a state-of-the-art security system.

6:00 PM on CTV Comedy - East

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The Big Bang Theory The Einstein Approximation

Sheldon tries to figure out the answer to a physics problem by working with Penny.

6:30 PM on CTV Comedy - East

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The Big Bang Theory The Excelsior Acquisition

Sheldon ends up in traffic court after getting a ticket because of Penny.

7:00 PM on CTV Comedy - East

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