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The Big Bang Theory

S5-E23 The Launch Acceleration

S5-E23 The Launch Acceleration



Howard tries to use his wedding as an excuse to avoid being sent into space, but ends up accepting the mission. Amy plots to get Sheldon to take the next step in their relationship, while Leonard accidentally asks Penny to marry him.

Cast & Crew

Leonard Hofstadter Johnny Galecki
Sheldon Cooper Jim Parsons
Howard Wolowitz Simon Helberg
Penny Kaley Cuoco
Raj Koothrappali Kunal Nayyar
Bernadette Melissa Rauch
Amy Farrah Fowler Mayim Bialik
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