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Episode 15 – The Large Hadron Collision view all results

Watch The Big Bang Theory Season 3, Episode 15 – The Large Hadron Collision Online Watched Add To Playlist

Airdate: 8 February, 2010

Summary: Leonard can only bring one guest on a trip to see CERN’s Large Hadron Collider (the world’s largest and highest energy particle accelerator) in Switzerland on Valentine’s Day.

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