S9E17 — The Celebration Experimentation
The Big Bang Theory — Season 9, Episode 17.
After more than nine years together, the gang finally celebrates Sheldon’s birthday, surprising him with a special guest.
View all episodes of The Big Bang TheoryThe Big Bang Theory — Season 9, Episode 17.
After more than nine years together, the gang finally celebrates Sheldon’s birthday, surprising him with a special guest.
View all episodes of The Big Bang Theory