The Big Bang Theory
The Celebration Experimentation
Season: 9
Episode: 17
Air Date: 2016-02-25
GUEST STARS: John Ross Bowie, Sara Gilbert, Stephen Hawking, Wil Wheaton, Christine Baranski, Kevin Sussman, Adam West
After more than nine years together, the gang finally celebrates Sheldon’s birthday, surprising him with a special guest.
The Celebration Experimentation
Season: 9
Episode: 17
Air Date: 2016-02-25
GUEST STARS: John Ross Bowie, Sara Gilbert, Stephen Hawking, Wil Wheaton, Christine Baranski, Kevin Sussman, Adam West
After more than nine years together, the gang finally celebrates Sheldon’s birthday, surprising him with a special guest.