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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 1 day ago.

The Meemaw Materialization
Episode 14
Air Date: Feb 4
Season: 9

The Meemaw Materialization

Sheldon is thrilled when his Meemaw comes to visit, but his excitement quickly fades when she butts heads with Amy. Also, Raj meets a new g…

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The Empathy Optimization
Episode 13
Air Date: Jan 14
Season: 9

The Empathy Optimization

The gang decides to head to Vegas for the week on a party bus. Sheldon learns about the importance of empathy and saying sorry.

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The Sales Call Sublimation
Episode 12
Air Date: Jan 7
Season: 9

The Sales Call Sublimation

Leonard visits a psychiatrist so Penny can make a sales call. Stuart moves out of the Wolowitz house. Sheldon works with Raj looking for ext…

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The Opening Night Excitation
Episode 11
Air Date: Dec 17, 2015
Season: 9

The Opening Night Excitation

As the guys prepare to go to the premiere of the new Star Wars movie, Sheldon plans a special event for Amy's birthday.

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The Earworm Reverberation
Episode 10
Air Date: Dec 10, 2015
Season: 9

The Earworm Reverberation

Sheldon has a revelation when he realizes why a song was stuck in his head. Also, Amy invites Dave over for dinner despite their previously …

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