human
What is the name of the episode of Buffy the Vampire Slayer where Joss Whedon created the idea of "vamp faces"?
assistant
The episode of Buffy the Vampire Slayer where Joss Whedon created the idea of "vamp faces" is "Welcome to the Hellmouth". He wanted normal high school students that the other characters could interact with normally, only to have them turn out be vampires, therefore creating a sense of paranoia.