Guest Star: Elka Rodriguez

You are viewing a list of Elka Rodriguez's 1 appearance on The Big Bang Theory.

  • The Geology Methodology

    Season 11, Episode 7 - The Geology Methodology
    Aired November 9, 2017

    When Bert offers Sheldon the chance to work with him to research dark matter, Sheldon is ashamed to be interested in working on a geology project and tries to keep the collaboration a secret.

    Meanwhile, Raj gets advice from Penny and Bernadette when Ruchi agrees to go out on a date with him, but wants to keep things casual.

    Appeared as Rose Lady

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