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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 Hesitation Ramification

As Leonard tries to help Penny with a disappointment, Penny asks him a bold question about their relationship; Sheldon wants to learn how to be funny.

9:00 PM on CTV Comedy - East

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The Big Bang Theory The Occupation Recalibration

Sheldon must learn how to relax when he is forced to take a vacation; Leonard tries to support Penny when she quits her job; Bernadette needs to replace one of Stuart's comic books.

9:30 PM on CTV Comedy - East

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The Big Bang Theory The Junior Professor Solution

When Sheldon must teach a class, Howard decides to take it; Amy takes advantage of the tension between Penny and Bernadette.

10:00 PM on CTV Comedy - East

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The Big Bang Theory The First Pitch Insufficiency

Wolowitz feels nervous when he is asked to throw the first pitch at a Los Angeles Angels game; Penny and Leonard want to prove Sheldon wrong after he says he and Amy are the better couple.

10:30 PM on CTV Comedy - East

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The Big Bang Theory The Convention Conundrum

Unable to get Comic-Con tickets, Sheldon tries to hold his own convention and ends up spending a wild evening with James Earl Jones; the ladies try to act maturely.

11:00 PM on CTV Comedy - East

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The Big Bang Theory The Hesitation Ramification

As Leonard tries to help Penny with a disappointment, Penny asks him a bold question about their relationship; Sheldon wants to learn how to be funny.

12:00 AM on CTV Comedy - East

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The Big Bang Theory The Occupation Recalibration

Sheldon must learn how to relax when he is forced to take a vacation; Leonard tries to support Penny when she quits her job; Bernadette needs to replace one of Stuart's comic books.

12:30 AM on CTV Comedy - East

Select your lineup for TV local listings

The Big Bang Theory The Convention Conundrum

Unable to get Comic-Con tickets, Sheldon tries to hold his own convention and ends up spending a wild evening with James Earl Jones; the ladies try to act maturely.

1:00 AM on CTV Comedy - East

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The Big Bang Theory The Relationship Diremption

Sheldon has a personal crisis when he decides string theory is a waste of his time; a double date ends in embarrassment for Howard.

1:00 AM on WPIX New York (SUPERSTATION)

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The Big Bang Theory The Junior Professor Solution

When Sheldon must teach a class, Howard decides to take it; Amy takes advantage of the tension between Penny and Bernadette.

1:30 AM on CTV Comedy - East

Select your lineup for TV local listings