Tenacious D
The TV show Tenacious D: The Greatest Band on Earth ran on HBO from 1997 to 2000. It told made-up stories about the members of the real band Tenacious D, who are Jack Black and Kyle Gass. On Tenacious D's The Complete Masterworks DVD, you can find all of the episodes of the show. Many of the songs from the show ended up on their studio albums Tenacious D and The Pick of Destiny.