The Big Bang Theory (2007): The Celebration Experimentation

The Big Bang Theory (2007)

Details

Show
The Big Bang Theory (2007)
Season
Season 9
Episode
S09xE17
Air Date
25 February 2016
Where to watch

Overview

The Big Bang Theory season 9, episode 17 — “The Celebration Experimentation” (S09xE17) first aired on 25 February 2016.

After more than nine years together, the gang finally celebrates Sheldon’s birthday, surprising him with a special guest.