“The Cohabitation Formulation” — As Wolowitz contemplates taking things with Bernadette to the next level, Leonard (Johnny Galecki, left) rekindles his relationship with Raj’s sister (Aarti Mann, center), on THE BIG BANG THEORY, Thursday, Feb. 17 (8:00-8:31 PM, ET/PT) on the CBS Television Network. Also pictured: Jim Parsons, right.
Photo: Monty Brinton/CBS
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