The Big Bang Theory

Two nerdy physicists share an apartment and an unlikely friendship with their beautiful neighbor with whom one of them is infatuated. Like the universe after the big bang, the show's popularity expanded, thanks to breakout star Jim Parsons, along with the chemistry among the friends and the developing romance between Leonard and Penny. The addition of M (more…)

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Mayim Bialik and Kaley Cuoco, <em>The Big Bang Theory</em>

This Game Proves That The Big Bang Theory Stars Really Just Play Themselves on TV

The Big Bang Theory's farewell tour is starting. The long-running sitcom will end in the spring, and the cast stopped by Ellen for Thursday's episode to talk about working on their final stretch of episodes (it's just starting to hit them that the sh… Read more

Jim Parsons and Mayim Bialik, <em>The Big Bang Theory</em>
It Took Me 5 Months, but I Finally Ranked 50 of Sheldon's Best Shirts on The Big Bang Theory

Putting the "IQ" in "ICONIQ"

Men of Science Kal Penn and Sean Astin Will Guest on The Big Bang Theory

They'll play physicists who help out Sheldon and Amy

<p></p><p>Roseanne Barr and John Goodman, <em style="">Roseanne</em></p>
The Most Popular Show of 2018 Isn't Even on Anymore

These were the 10 most popular shows on TV this year

Kaley Cuoco,<em> The Big Bang Theory</em>
Someone's Got a New Wife on The Big Bang Theory

Looks like EVERYONE is getting a happy ending

Iain Armitage and Raegan Revord, <em>Young Sheldon</em>
Young Sheldon Revealed the Origin of 'Bazinga'

Sheldon's Big Bang Theory catchphrase got resurrected

Jim Parsons, <em>The Big Bang Theory</em>
The Big Bang Theory and Young Sheldon Finally Crossed Over, and It Was Really Sweet

Here's how the heartwarming event went down

Video ClipsSee all »

The Big Bang Theory - The D & D Vortex (Preview)
00:30 — When the gang finds out Wil Wheaton hosts a celebrity Dungeons and Dragons game involving William Shatner, Joe Manganiello, Kareem Abdul-Jabbar and Ke (more…)
Big Bang Theory: Jim Parsons
03:38 — Jim Parsons, the uber-genius/geek from The Big Bang Theory, explains his own theory of relativity to Hollywood 411's Chris Harrison.|Chris Harrison|Ho (more…)
The Big Bang Theory - Taking Vitamins
01:17 — Penny warns Leonard not to talk about babies when her dad comes to visit.
The Big Bang Theory - There's Something Out Here
03:22 — Sheldon and Amy learn why Leonard spent the night on their couch.

Latest Full EpisodesSee all »

Season 11 Recap Season 12, Episode 101 Paid

A collection of some of last season's hilarious and most memorable moments.

The Donation Oscillation Season 12, Episode 15 Feb 7, 2019 Paid

Penny tries to throw a wrench into Leonard's plan to be a sperm donor for her ex-boyfriend; Wolowitz, Bernadette, Anu and Koothrappali turn Koothrappali's canceled bachelor party into a couple's trip aboard the "vomit comet."

The Meteorite Manifestation Season 12, Episode 14 Jan 31, 2019 Paid

Sheldon is thrilled to help Howard and Bernadette navigate bureaucratic paperwork... until he discovers they are breaking the law. Now, he'll have to choose between following the rules of staying loyal to his friends. Meanwhile, Leonard is disappointed when his friends exclude him from a scientific project.

The Confirmation Polarization Season 12, Episode 13 Jan 17, 2019 Paid

When Sheldon and Amy's Super Asymmetry Theory is proven by two physicists from Chicago, they're thrilled - until they try to kick Amy off their Nobel Prize nomination! Meanwhile, Bernadette has a big success at work and Penny's going to be a part of it...whether she wants to or not.

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Tue Feb 19 7:00pm
The Viewing Party Combustion(Season 9, Episode 21) TBS

During a group gathering, a disagreement between Leonard and Sheldon turns into a battle royal, forcing everyone to choose sides.

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Tue Feb 19 7:30pm
The Fermentation Bifurcation(Season 9, Episode 22) TBS

Sheldon stays behind to spend quality time with the pregnant Bernadette when the rest of the gang toddles off to a wine-tasting event, where they run into Penny's former boyfriend, and Raj introduces his new girlfriend.

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Tue Feb 19 8:00pm
The Line Substitution Solution(Season 9, Episode 23) TBS

When Sheldon decides he'd rather go to a movie screening than hang out with Amy, he hires Stuart to spend the day with her. Meanwhile, Leonard's mother visits, and Penny just can't seem to connect with her.

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