The Launch Acceleration

Howard's space mission is moved up, conflicting with the wedding. Meanwhile, Leonard mentions something in the bedroom that freaks out Penny.

TV-14-DL
Season 5 | Episode 23

Cast

Jim Parsons

as Sheldon Cooper

Johnny Galecki

as Leonard Hofstadter

Kaley Cuoco

as Penny

Simon Helberg

as Howard Wolowitz

Kunal Nayyar

as Raj Koothrappali