Sheldon becomes agitated when his regular barber is out sick. Astronaut training causes Howard to reconsider wanting to go into space. Penny beats Leonard in chess, the first time she plays.

Movie rating: 8.2 / 10 (3911)

Directed by: Mark Cendrowski - Chuck Lorre - Bill Prady - Steven Molaro

Writer credits: Chuck Lorre - Chuck Lorre - Bill Prady - Steven Molaro

Cast: Johnny Galecki - Jim Parsons - Kaley Cuoco - Simon Helberg - Kunal Nayyar

AKA: The Big Bang Theory, The Celebration Reverberation, The Werewolf Transformation, Теорiя великого вибуху, Agymenők, TBBT, המפץ הגדול עונה 4 פרק 20, Hamapats hagadol

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