The Large Hadron Collision Edit
The Big Bang Theory › Season 3 › Episode 15 Edit this episode

The Large Hadron Collision Edit

Aired on: Mon Feb 08 2010 Edit

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. Edit

Starring

Johnny Galecki, Jim Parsons, Kaley Cuoco, Simon Helberg, Kunal Nayyar, Melissa Rauch, Mayim Bialik

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