Tenacious D in Post-Apocalypto is an American animatic episode series by Jack Black and Kyle Gass as Tenacious D, released independently through the band's YouTube channel. On November 8, 2018, all of the episodes would be uploaded as one video branded "full movie".[1] The soundtrack for the series was released as the band's fourth studio album, Post-Apocalypto by Columbia Records. The stills from the series were used to create a graphic novel released by Fantagraphics Books in September 2020.