The Big Bang Theory Season 4 Episode 16: The Cohabitation Formulation
First aired on Feb. 17, 2011
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As Wolowitz contemplates taking things with Bernadette to the next level, Leonard rekindles his relationship with Raj's sister.
Quotes:
Showing 1 quote.Good news! Thanks to you I was able to make a rhesus monkey cry like a disgraced televangelist.