As Wolowitz contemplates taking things with Bernadette to the next level, Leonard rekindles his relationship with Raj's sister.

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

Writer credits: Chuck Lorre - Bill Prady

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

AKA: Agymenők, Теорiя великого вибуху, TBBT, The Big Bang Theory, The Celebration Reverberation, The Proposal Proposal, O Aplicativo Colonização, A Teoria do Big Bang

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