The Celebration Experimentation
Run Time: 22 mins
Air Date: Thu, 25 Feb 2016
Average Rating: ⭐ 7.3 (45 votes)
CBSSeason 9 - Episode 17
Average Rating: ⭐ 7.3 (45)
After more than nine years together, the gang finally celebrates Sheldon’s birthday, surprising him with a special guest.