The Big Bang Theory

Series 5 - 23. The Launch Acceleration

The Launch Acceleration

About this programme

23/24. 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. Part of Penny & Leonard's Love Story.

Cast and crew


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

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