Leonard and Penny try hanging out as friends on a 'non-date', but end up purposely ruining each others chances with perspective dates. Meanwhile, Sheldon enlists the help of Bernadette and Amy to overcome his fear of birds.

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

Writer credits: Chuck Lorre - Bill Prady

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

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

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