The Large Hadron Collision
Run Time: 22 mins
Air Date: Mon, 8 Feb 2010
Average Rating: ⭐ 7.7 (42 votes)
CBSSeason 3 - Episode 15
Average Rating: ⭐ 7.7 (42)
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.