The Big Bang Theory/The Celebration Experimentation
| This article about an episode needs to be expanded with more information.|
Please help out by editing it.
The Celebration Experimentation is the seventeenth episode of the ninth season of The Big Bang Theory, and the two hundredth episode overall.
Starring: Johnny Galecki (Dr. Leonard Hofstadter), Jim Parsons (Dr. Sheldon Cooper), Kaley Cuoco (Penny Hofstadter), Simon Helberg (Howard Wolowitz), Kunal Nayyar (Dr. Rajesh "Raj" Koothrappali), Mayim Bialik (Dr. Amy Farrah Fowler), Melissa Rauch (Dr. Bernadette Rostenkowski-Wolowitz), Kevin Sussman (Stuart Bloom)