The team investigates a brazen armored car heist on NCIS: Los Angeles. "The Gold Standard" is the ninth episode of the show's fourth season.

NCIS: Los Angeles Season 4 Episode 9 Quotes

Callen: Sounds like Duncan has a girlfriend.
Kensi: Or, a cross-dressing fetish.

Mr. Deeks is part of this team. If anything were to happen to him, I would take it most personally.