Watch The Big Bang Theory (2007) Online!
Physicists Leonard and Sheldon find their nerd-centric social circle with pals Howard and Raj expanding when aspiring actress Penny moves in next door.
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Episode 1 - The Conjugal Conjecture
Release Date: 2016-09-19After 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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Episode 2 - The Military Miniaturization
Release Date: 2016-09-26Colonel Williams, an Air Force representative from the Department of Material Command sits down to talk with Wolowitz.
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Episode 3 - The Dependence Transcendence
Release Date: 2016-10-03Tensions 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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Episode 4 - The Cohabitation Experimentation
Release Date: 2016-10-10When 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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Episode 5 - The Hot Tub Contamination
Release Date: 2016-10-17Leonard 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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Episode 6 - The Fetal Kick Catalyst
Release Date: 2016-10-27Penny 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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Episode 7 - The Veracity Elasticity
Release Date: 2016-11-03In 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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Episode 8 - The Brain Bowl Incubation
Release Date: 2016-11-10After a successful experiment combining their genes, Sheldon will stop at nothing to convince Amy they should procreate. Also, Koothrappali is embarrassed to tell the gang what the new woman he’s dating does for a living.
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Episode 9 - The Geology Elevation
Release Date: 2016-11-17When Bert, a Caltech geologist, wins the MacArthur Genius fellowship, Sheldon is overcome with jealousy. Also, Wolowitz finds an old remote control Stephen Hawking action figure he invented.
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Episode 10 - The Property Division Collision
Release Date: 2016-12-01Sheldon and Leonard try to divvy up their shared belongings, but can’t agree on anything. Also, Koothrappali and Stuart fight to be the most helpful during Bernadette’s final weeks of pregnancy.
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Episode 11 - The Birthday Synchronicity
Release Date: 2016-12-15Howard and Bernadette welcome their new baby and Sheldon and Amy celebrate Amy’s birthday.
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Episode 12 - The Holiday Summation
Release Date: 2017-01-05Sheldon and Amy visit Leonard and Penny for the first time since the holidays and share details about their terrible trip to Texas.
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Episode 13 - The Romance Recalibration
Release Date: 2017-01-19When Penny feels that Leonard is taking her for granted, she decides to go on a spa weekend with Amy. Also, Wolowitz and Koothrappali try to fix a squeaky floorboard in the baby’s room.
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Episode 14 - The Emotion Detection Automation
Release Date: 2017-02-02Sheldon beta-tests an MIT invention after hearing it can help him read people’s emotions. Also, Leonard can’t hide his feelings when Penny announces her brother is coming to town, and Raj invites his ex-girlfriends over to give him dating advice.
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Episode 15 - The Locomotion Reverberation
Release Date: 2017-02-09Leonard and Wolowitz try to distract Sheldon when he slows the progress of their guidance system. Also, Penny and Amy take Bernadette out for the night, leaving Raj and Stuart to care for baby Halley.
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Episode 16 - The Allowance Evaporation
Release Date: 2017-02-16Sheldon and Amy have their first fight since moving in together, and Koothrappali is shocked at the realities of financial independence when he stops receiving support from his father.
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Episode 17 - The Comic-Con Conundrum
Release Date: 2017-02-23With Koothrappali cut off from his father’s fortune, he appoints Sheldon to help him get out of debt. Also, Penny considers joining Leonard at Comic-Con.
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Episode 18 - The Escape Hatch Identification
Release Date: 2017-03-09When Raj moves out of his apartment, Leonard and Penny offer him Sheldon's old room.
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Episode 19 - The Collaboration Fluctuation
Release Date: 2017-03-30Leonard, Penny and Raj adjust to their new living arrangement, and Sheldon takes an interest in Amy’s work.
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Episode 20 - The Recollection Dissipation
Release Date: 2017-04-06Sheldon pushes himself to the limit when he collaborates on projects with Leonard and Wolowitz as well as Amy on the same day. Also, Bernadette is nearing the end of her maternity leave and must return to work.
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Episode 21 - The Separation Agitation
Release Date: 2017-04-13Howard and Bernadette have a hard time leaving Halley in day care when Bernadette returns to work. Also, Bert introduces the gang to his new girlfriend, Rebecca.
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Episode 22 - The Cognition Regeneration
Release Date: 2017-04-27Leonard isn’t thrilled when Penny considers taking a new job offered by her ex-boyfriend, Zack.
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Episode 23 - The Gyroscopic Collapse
Release Date: 2017-05-04After Leonard, Sheldon and Wolowitz celebrate the completion of the top secret air force project, they are met with an unpleasant surprise. Also, Amy is offered a summer position as a visiting researcher.
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Episode 24 - The Long Distance Dissonance
Release Date: 2017-05-11The gang is concerned when Sheldon’s former admirer, Dr. Ramona Nowitzki, resurfaces while Amy is away at Princeton.