20th Century Fox

 is the studio responsible for the license of Buffy the Vampire Slayer and Angel titles.

The studios initially distributed the original Buffy the Vampire Slayer film in 1992, via its Twentieth Century Fox Film Corporation production division. The Buffy the Vampire Slayer and Angel television series were then produced by Twentieth Century Fox Television division, along Mutant Enemy Productions, Sandollar Television, and Kuzui Enterprises. As owner of the licensing of both titles, its authorization defines a production as official (albeit not necessarily canon), notably extended to home videos, comics, novels, figurines, etc.