The Big Bang Theory

Season 9 Episode 17

The Celebration Experimentation

25
Aired Monday 8:00 PM Feb 25, 2016 on CBS
7.4
out of 10
User Rating
89 votes

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Episode Summary

EDIT

Sheldon has always hated birthdays due to many bad experiences when he was younger, so the gang tries to throw him the best birthday party ever, which includes getting Adam West to appear at the party.

Who was the Episode MVP ?

Thursday
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Friday
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Adam West

Adam West

Himself

Guest Star

Stephen Hawking

Stephen Hawking

Himself

Guest Star

Christine Baranski

Christine Baranski

Beverly Hofstadter

Special Guest Star

John Ross Bowie

John Ross Bowie

Barry Kripke

Recurring Role

Wil Wheaton

Wil Wheaton

Himself

Recurring Role

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Trivia, Notes, Quotes and Allusions

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