The Big Bang Theory
The Celebration Experimentation
Season 9 Episode 17 of 24
In the 200th episode of the comedy, the gang finally celebrates Sheldon's birthday after more than nine years together, with the help of a few special guests. Starring Johnny Galecki, Jim Parsons and Kaley Cuoco, with guest appearances from Adam West, Wil Wheaton and Stephen Hawking
The Big Bang Theory airs on E4 +1 at 4:00 PM, Tuesday 23 December. (Subtitles, audio description.)
Topics
Movie ➝ Drama
Sitcom
Johnny Galecki
Actor
Jim Parsons
Actor
Simon Helberg
Actor