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The Big Bang Theory
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The Big Bang Theory – Season 4, Episode 16

  • The Cohabitation Formulation

PGR As Howard contemplates taking things with Bernadette to the next level, he must choose between his girlfriend and his mother, and Leonard rekindles his relationship with Raj's sister.

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Season 4, Episode 16
  • The Cohabitation Formulation

    • The Big Bang Theory Episodes