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S03 · E15
The Big Bang Theory
The Large Hadron Collision
Aired · 25 min
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.
- Aired
- Runtime
- 25 min
- Season
- 3
- Episode
- 15
- Rated
- TV-PG