Sheldon may experience a roadblock to gaining tenure when he has a history with someone from HR on The Big Bang Theory. "The Tenure Turbulence" is the 20th episode of the show's sixth season.
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The Big Bang Theory Season 6 Episode 20 Quotes

If you need my nose, you'll find it firmly lodged up the rectum of the tenure committee.

Kripke

If we really want science to advance, people should have chips implanted in their skulls that explode when they say something stupid.

Sheldon