The Big Bang Theory S05E24 - The Countdown Reflection
The Big Bang Theory (2007)
S05E24 The Countdown Reflection
Episode Overview
As the fifth season wraps up, Howard and Bernadette make the choice to tie the knot before his upcoming NASA mission, prompting the group to spring into action to organize the wedding. In a fun twist, NASA astronaut Mike Massimino makes a guest appearance as himself.