12 Season
279 Episode
The Big Bang Theory - Season 9 Episode 17 The Celebration Experimentation
Smart is the new sexy.
After more than nine years together, the gang finally celebrates Sheldon’s birthday, surprising him with a special guest.
- Year : 2019
- Country : United States of America
- Genre : Comedy
- Studio : CBS
- Keyword : geek, nerd, friends, scientist, sitcom
- Director : Chuck Lorre, Bill Prady
- Cast : Johnny Galecki, Jim Parsons, Kaley Cuoco, Simon Helberg, Kunal Nayyar, Melissa Rauch
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