Penny's second date with Stuart sees her making a comment that gives Leonard new hope for a relationship with her. Wolowitz realizes there's a crucial error in a NASA project he's working on.

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

Writer credits: Chuck Lorre - Bill Prady

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

AKA: The Celebration Reverberation, Agymenők, Теорiя великого вибуху, TBBT, The Big Bang Theory, A Termalização da sobra, The Locomotion Interruption, Big Bang: A Teoria

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