Buffy the Vampire Slayer Season 2 Episode 21 : Becoming (1)

Angelus' origins from being vamped by Darla in 1753, vamping Drusilla in 1860, being cursed by the Gypsies in 1898, and meeting a demon named Whistler in New York in 1996 who shows him a better way of life are revealed while Angelus prepares to awaken Acathla, an ancient demon that will suck the Earth into the Demon Dimension. Buffy and Willow find the spell to restore Angel's soul and Willow declares that she knows enough about magic to perfor...