Making of "The Kingdom of the Crystal Skull", titled The Making of Indiana Jones and the Kingdom of the Crystal Skull on the Blu-ray menu, is a behind-the-scenes look at the production of the fourth Indiana Jones film.
First released as a special feature on the Indiana Jones: The Complete Adventures Blu-ray set, the documentary is actually an abridged, edited-down version of the 80 minutes long Production Diary: Making of "The Kingdom of the Crystal Skull" available on the 2008 individual two-disc release of Crystal Skull on home video.
With the special features disc duplicated from The Complete Adventures for the 4K Ultra HD set, the documentary was also included on the Indiana Jones 4-Movie Collection in 2021.