The Big Bang Theory

8.4 / 10
22 min
Comedy
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Season 9, Episode 17

The Celebration Experimentation

After more than nine years together, the gang finally celebrates Sheldon’s birthday, surprising him with a special guest.
Quest roles:
Kevin Sussman(Stuart Bloom), John Ross Bowie(Barry Kripke), Christine Baranski(Beverly Hofstadter), Wil Wheaton(Wil Wheaton), Stephen Hawking(Stephen Hawking), Sara Gilbert(Leslie Winkle), Adam West(Self)
Writer:
unknown
Director:
unknown
Release date:
25 February 2016, 20:00
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The Big Bang Theory