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The Big Bang Theory fanart Welcome to The Big Bang Theory at WatchOnlineFree.TV, a great website for those who love to watch The Big Bang Theory online for free. Here you can stream all episodes online without having to downloading any additional software on your computer. If you missed the latest The Big Bang Theory episode on TV, make sure to check our website to follow up on this series!


Latest episode, aired 5 days ago.

The Intimacy Acceleration
Episode 16
Air Date: Feb 26
Season: 8

The Intimacy Acceleration

As a joke, Sheldon and Penny try an experiment designed to make participants fall in love. Also, Leonard, Amy, Raj and Emily spend the even…

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The Comic Book Store Regeneration
Episode 15
Air Date: Feb 19
Season: 8

The Comic Book Store Regeneration

Wolowitz receives some shocking news as everyone prepares for the reopening of Stuart's comic book store. Penny teaches Sheldon how to "let …

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The Troll Manifestation
Episode 14
Air Date: Feb 5
Season: 8

The Troll Manifestation

Leonard and Sheldon publish a paper which is widely accepted except for comments from an internet troll. Meanwhile, the girls reminisce abou…

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The Anxiety Optimization
Episode 13
Air Date: Jan 29
Season: 8

The Anxiety Optimization

The gang tries to help Sheldon when he becomes stuck in a rut at work by increasing his anxiety level. Howard teases Raj with a new game cal…

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The Space Probe Disintegration
Episode 12
Air Date: Jan 8
Season: 8

The Space Probe Disintegration

Wolowitz tries to distract Raj, who is anxiously awaiting data from a space probe he helped launch. Meanwhile, Sheldon and Leonard go dress …

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