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S4E16

The Cohabitation Formulation

The Big Bang Theory

calendar_todayFeb 17, 2011 schedule20 min star7.3

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

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broadcast_on_home Networks

CBS

star Guest Stars

Aarti Mann

Aarti Mann

Priya Koothrappali

Carol Ann Susi

Carol Ann Susi

Debbie Wolowitz (voice)