The Big Bang Theory - Season 3 Episode 15 : The Large Hadron Collision

The Big Bang Theory
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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.

Title The Big Bang Theory - Season 3 Episode 15 : The Large Hadron Collision
First Air Date 2007-09-24
Last Air Date 2019-05-16
Number of Episodes 279
Number of Seasons 12
Genres Comedy,
Networks CBS,
Casts Kaley Cuoco, Johnny Galecki, Jim Parsons, Simon Helberg, Melissa Rauch, Kunal Nayyar, Mayim Bialik
Penny
Penny
Kaley Cuoco
Leonard Hofstadter
Leonard Hofstadter
Johnny Galecki
Sheldon Cooper
Sheldon Cooper
Jim Parsons
Howard Wolowitz
Howard Wolowitz
Simon Helberg
Bernadette Rostenkowski
Bernadette Rostenkowski
Melissa Rauch
Rajesh Koothrappali
Rajesh Koothrappali
Kunal Nayyar
Amy Farrah Fowler
Amy Farrah Fowler
Mayim Bialik
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