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The Big Bang Theory - Season 4 Episode 16 The Cohabitation Formulation

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

First Air Date: Sep 24, 2007

Last Air date: May 16, 2019

Season: 12 Season

Episode: 279 Episode

Runtime: 22 minutes

IMDb: 7.91/10 by 11,280.00 users

Popularity: 207.704

Language: English