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Watch The Big Bang Theory Season 1 English Online Free

6.9 Rated 6.9/10 (922 votes)

Watch The Big Bang Theory S1E1 in English Online Free | HD
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WATCH 7

Pilotclose

Brilliant physicist roommates Leonard and Sheldon meet their new neighbor Penny, who begins showing them that as much as they know about science, they know little about actual living.

Watch The Big Bang Theory S1E2 in English Online Free | HD
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WATCH 6

The Big Bran Hypothesisclose

Leonard volunteers to sign for a package in an attempt to make a good impression on Penny, but when he enlists Sheldon for help, his attempt at chivalry goes terribly awry.

Watch The Big Bang Theory S1E3 in English Online Free | HD
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WATCH 6.9

The Fuzzy Boots Corollaryclose

Leonard asks a woman out after he finds out that Penny is seeing someone.

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WATCH 8.7

The Luminous Fish Effectclose

Sheldon's getting fired forces him to explore what life has to offer outside physics, leaving Leonard to take drastic action to snap his friend out of his funk.

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WATCH 8.1

The Hamburger Postulateclose

Fearing he's wasting his time on Penny, Leonard ends up making a connection with Leslie.

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WATCH 7

The Middle Earth Paradigmclose

Penny hosts a Hallowe'en party, putting Leonard, Sheldon, Wolowitz, and Koothrappali through a new test of their social skills.

Watch The Big Bang Theory S1E7 in English Online Free | HD
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WATCH 7.8

The Dumpling Paradoxclose

With Wolowitz AWOL with one of her friends, Penny's recruited to fill in for him on the guys' Halo team

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WATCH 6.3

The Grasshopper Experimentclose

Raj's parents set him up on a blind date, but just when he discovers he can talk to her, she shows interest in Sheldon.

Watch The Big Bang Theory S1E9 in English Online Free | HD
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WATCH 7.3

The Cooper-Hofstadter Polarizationclose

When they're invited to present at a physics conference, Sheldon's reluctance to share the credit leads to a tiff between him and Leonard, and Penny's intervention only exacerbates the situation.

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WATCH 8

The Loobenfeld Decayclose

Leonard and Sheldon each lie to avoid seeing Penny's concert, but Sheldon's is a bit too complicated for his own good.

Watch The Big Bang Theory S1E11 in English Online Free | HD
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WATCH 6.9

The Pancake Batter Anomalyclose

With his friends knowing how sour he acts when sick—and avoiding him as a result—Sheldon is nursed by Penny, who hasn't a clue what she's in for.

Watch The Big Bang Theory S1E12 in English Online Free | HD
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WATCH 5.8

The Jerusalem Dualityclose

With Sheldon rattled over meeting Dennis, a 15-year-old physicist who's smarter than he, Leonard helps him look for a way to debunk Dennis's research.

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WATCH 7.3

The Bat Jar Conjectureclose

Sheldon finds himself booted from the gang's Physics Bowl team and replaced with Leslie, so he forms his own team, hoping to prove he's superior.

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WATCH 6.6

The Nerdvana Annihilationclose

When delivery of another collectible leads to Penny's lashing out at Leonard, he decides it's time to give up his habit, much to his friends' protestation.

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WATCH 7.6

The Pork Chop Indeterminacyclose

The rest of the gang fall for Sheldon's twin sister, and Leonard's plan to win her heart is derailed when Sheldon declares he'll be the one to decide who can date her.

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WATCH 6.6

The Peanut Reactionclose

Penny wants to throw a surprise party for Leonard, but Sheldon's indulgence at an electronics store throws her off-track.

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WATCH 7

The Tangerine Factorclose

Penny's break-up spurs Leonard to summon the courage to ask her out, and each goes to Sheldon for advice on their upcoming date.

Watch The Big Bang Theory (2007) in English Online Free | 720p BrRip x264

Seasons

Watch The Big Bang Theory Season 1 in English Online Free Season 1
(17 Episodes)
2007-09-24
Watch The Big Bang Theory Season 2 in English Online Free Season 2
(23 Episodes)
2008-09-22
Watch The Big Bang Theory Season 3 in English Online Free Season 3
(23 Episodes)
2009-09-21
Watch The Big Bang Theory Season 4 in English Online Free Season 4
(24 Episodes)
2010-09-23
Watch The Big Bang Theory Season 5 in English Online Free Season 5
(24 Episodes)
2011-09-22
Watch The Big Bang Theory Season 6 in English Online Free Season 6
(24 Episodes)
2012-09-27
Watch The Big Bang Theory Season 7 in English Online Free Season 7
(24 Episodes)
2013-09-25
Watch The Big Bang Theory Season 8 in English Online Free Season 8
(24 Episodes)
2015-01-05
Watch The Big Bang Theory Season 9 in English Online Free Season 9
(24 Episodes)
2015-09-21
Watch The Big Bang Theory Season 10 in English Online Free Season 10
(13 Episodes)
2016-09-19