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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 Expedition Approximation
Episode 6
Air Date: Oct 20
Season: 8

The Expedition Approximation

Raj and Sheldon try to simulate a dark-matter research expedition. After a fight about money, Penny and Leonard turn to Bernadette and Howar…

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The Focus Attenuation
Episode 5
Air Date: Oct 13
Season: 8

The Focus Attenuation

Amy and Bernadette accuse Penny of being a "buzzkill" after she gets an email from work during their Vegas weekend. Meanwhile, the guys try …

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The Hook-Up Reverberation
Episode 4
Air Date: Oct 6
Season: 8

The Hook-Up Reverberation

Raj's honesty comes back to haunt him when his new girlfriend is unfriendly to Penny. The guys think about becoming part owners in Stuart's …

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The First Pitch Insufficiency
Episode 3
Air Date: Sep 29
Season: 8

The First Pitch Insufficiency

Howard feels nervous when he is asked to throw the first pitch at a Los Angeles Angels game. Penny and Leonard want to prove Sheldon wrong a…

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The Junior Professor Solution
Episode 2
Air Date: Sep 22
Season: 8

The Junior Professor Solution

When Sheldon must teach a class, Howard decides to take it. Amy takes advantage of the tension between Penny and Bernadette.

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