Raj Takes Third-Wheeling To The Next Level On The Big Bang Theory

Walton Goggins and Beth Behrs guest star in "The Separation Triangulation."

In the latest episode of The Big Bang Theory, "The Triangulation Separation"—airing on Thursday, Jan. 18 at 8/7c on CBS and CBS All Access—Raj ( Kunal Nayyar) gets caught in some unwanted domestic drama when he finds out the woman he's dating, Nell (Beth Behrs), has a very upset husband, Oliver (Walton Goggins).

Meanwhile, Sheldon ( Jim Parsons) rents his old room back for a quiet place to work, and he drives Leonard ( Johnny Galecki) up the wall with his model tenant behavior.

STREAM: Full Episodes Of The Big Bang Theory On CBS All Access

Will Raj be able to get himself out of this worst-case "threesome"?

And will Leonard make peace with the new and improved Sheldon?

Watch all-new episodes of The Big Bang Theory on Thursdays at 8/7c on CBS and CBS All Access.

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