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Watch The Big Bang Theory

The Big Bang Theory

imdb logo8.3/10
ComedyRomance16+2007 - Present11 Seasons

Where to Watch The Big Bang Theory

Below you'll find every episode from all 11 season of The Big Bang Theory.
To see what is available free to watch, click the 'Episodes on Sources' tab above.

Season 11

CBS | CBS All Access | DirecTV Now | TV.com | Rent or Buy
Season 11, Episode 01 The Proposal Proposal

S11 E01

Sep 26, 2017
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The Proposal Proposal In the eleventh season opener, Amy gives Sheldon an answer to his proposal while Howard and Bernadette struggle with some unexpected news.

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Season 11, Episode 02 The Retraction Reaction

S11 E02

Oct 3, 2017
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The Retraction Reaction Leonard angers the university – and the entire physics community – after he gives an embarrassing interview. Also, Amy and Bernadette bond over having to hide their success from Sheldon and Howard.

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Season 11, Episode 03 The Relaxation Integration

S11 E03

Oct 10, 2017
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The Relaxation Integration Sheldon struggles with picking a wedding date. Amy decides she wants a wedding near a cliff which Sheldon doesn't want. Meanwhile Raj and Stuart fight over one of Bernadette's co-workers.

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Season 11, Episode 04 The Explosion Implosion

S11 E04

Oct 17, 2017
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The Explosion Implosion As Howard worries about fatherhood, he and Sheldon bond when they jointly assemble a model rocket. Meanwhile, Penny bonds with Leonard's mother, Beverly, much to his concern.

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Season 11, Episode 05 The Collaboration Contamination

S11 E05

Oct 24, 2017
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The Collaboration Contamination Sheldon and Koothrappali confide in Bernadette when they can't handle Amy and Wolowitz working together. Also, Penny and Leonard learn new tactics for how to deal Sheldon from an unlikely source.

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Season 11, Episode 06 The Proton Regeneration

S11 E06

Nov 3, 2017
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The Proton Regeneration Sheldon goes head-to-head with Wil Wheaton for the role of the new Professor Proton. Also, Penny steps in to take care of Halley when Bernadette and Wolowitz both wind up on bed rest.

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Season 11, Episode 07 The Geology Methodology

S11 E07

Nov 10, 2017
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The Geology Methodology Sheldon and Bert collaborate on a research project, despite Sheldon’s embarrassment. Also, Penny and Bernadette coach Koothrappali on how to navigate his relationship with Ruchi.

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Season 10

DirecTV Now | Rent or Buy
Season 10, Episode 01 The Conjugal Conjecture

S10 E01

Sep 20, 2016
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The Conjugal Conjecture After Sheldon’s mother and Leonard's father share an evening together, everyone deals with an awkward morning the next day. Also, Penny’s family arrives for the wedding ceremony, including her anxiety-ridden mother, Susan, and her drug dealing brother, Randall.

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Season 10, Episode 02 The Military Miniaturization

S10 E02

Sep 27, 2016
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The Military Miniaturization Colonel Williams, an Air Force representative from the Department of Material Command sits down to talk with Wolowitz.

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Season 10, Episode 03 The Dependence Transcendence

S10 E03

Oct 4, 2016
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The Dependence Transcendence Tensions rise when the boys struggle to complete their government project on time and Sheldon tries an energy drink to stay awake. Also, Penny and Amy go to a “party” at Bert the geologist’s house, and Koothrappali learns Bernadette’s true feelings about her pregnancy when they clean out the future baby room.

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Season 10, Episode 04 The Cohabitation Experimentation

S10 E04

Oct 11, 2016
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The Cohabitation Experimentation When Amy’s apartment floods, she proposes a “cohabitation experiment” with Sheldon. Also, Howard and Bernadette are upset when Koothrappali learns the gender of the baby before they do.

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Season 10, Episode 05 The Hot Tub Contamination

S10 E05

Oct 18, 2016
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The Hot Tub Contamination Leonard and Penny must separate a quarreling Sheldon and Amy when their cohabitation does not go as planned, and Sheldon threatens to break off their relationship when Amy refuses to adhere to the bathroom schedule. Also, Howard and Bernadette find unexpected guests at their house when they decide to stay home from a planned vacation.

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Season 10, Episode 06 The Fetal Kick Catalyst

S10 E06

Oct 28, 2016
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The Fetal Kick Catalyst Penny is surprised to learn she has fans of her performance in "Serial Ape-ist" when she attends Van Nuys Comic Con with Leonard. Also, Amy hosts a Sheldon-style brunch at Penny’s apartment, and Wolowitz makes an impulsive purchase when he starts stressing out about the baby on the way.

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Season 10, Episode 07 The Veracity Elasticity

S10 E07

Nov 4, 2016
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The Veracity Elasticity In order to continue living with Sheldon, Amy lies to him about repairs being made to her apartment and they host an "on location" episode of "Fun With Flags" in Penny’s apartment. Also, Leonard lets Penny decorate Sheldon’s old room after he learns that she has been secretly moving Leonard’s collectibles into storage.

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Below you'll find every episode of The Big Bang Theory you can watch
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