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 were uploaded as one video branded "full movie" which, as of February 2024, has since been removed from YouTube for violating their policy on nudity or sexual content.

Thomas Jacob Black is an American actor, comedian, and musician. He is known for roles in family and comedy films, in addition to his voice work in animated films. His awards include an Emmy Award, a Grammy Award, and nominations for three Golden Globe Awards.