Sheldon’s relationship with Stephen Hawking is threatened over a game of “Words with Friends,” and Penny secretly enrolls in a class at the local college.

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

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

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

AKA: The Celebration Reverberation, Теорiя великого вибуху, The Big Bang Theory, Agymenők, TBBT

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