Guest Star: Dr. Neil deGrasse Tyson

You are viewing a list of Dr. Neil deGrasse Tyson's 2 appearances on The Big Bang Theory.

  • The Apology Insufficiency

    Season 4, Episode 7 - The Apology Insufficiency
    Aired November 4, 2010

    Howard is working on a new Department of Defense project and needs top-level security clearance. His friends are interviewed by the F.B.I. and each of them has reason to think their interview might have jeoparized Howard's job prospects.

    Appeared as Himself

  • The Conjugal Configuration

    Season 12, Episode 1 - The Conjugal Configuration
    Airs September 24, 2018

    Sheldon and Amy's honeymoon runs aground in New York, while Penny and Leonard discover they are uncomfortably similar to Amy's parents, Mr. and Mrs. Fowler. Also, Koothrappali insults physicist Neil deGrasse Tyson and starts a Twitter war.

    Appeared as Himself

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