Buffyverse

Etymology
From.

Proper noun

 * 1)  The fictional world, or universe, which serves as the setting for the television series Buffy the Vampire Slayer.
 * 2) * 2009, Kevin K. Durand, It's All about Power, in Kevin K. Durand (editor), Buffy Meets the Academy: Essays on the Episodes and Scripts as Text, Part I: Power and the Buffy Canon, page 46,
 * In the Buffyverse, we encounter a true representation of shared power, of partnered power. Further, the “bad guys” are not the only paradigms of patriarchy in the Buffyverse that are overcome.
 * In the Buffyverse, we encounter a true representation of shared power, of partnered power. Further, the “bad guys” are not the only paradigms of patriarchy in the Buffyverse that are overcome.

Usage notes
Depending on context, the Buffyverse may be considered inclusive of the, the fictional universe of the spin-off series Angel, or the two may be considered to be distinct parts of a greater whole, which may be referred to as the Buffy/Angel.