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
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