The Big Bang Theory S3E15
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S03E15 — The Large Hadron Collision
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The Big Bang Theory

S03E15 The Large Hadron Collision

2010-02-08

On Valentine's Day, Leonard has the opportunity to take one guest with him on a trip to Switzerland to visit CERN's Large Hadron Collider, the largest and most powerful particle accelerator in the world.

Season 3 Episodes