The D-Cumentary is a 2001 documentary based around Tenacious D's performance at the Y100 FEZtival in Philadelphia. The documentary shows footage of the performance itself and then interviews with local radio stations. It was produced by John P. Gelety for GAS Entertainment, Tenacious D's former manager.
- The entire piece can be viewed for free on John P. Gelety's Vimeo account. https://vimeo.com/7803999