Berserk (1997) - Episode 1 - "The Black Swordsman"

Episode 1 Synopsis (The Black Swordsman):

A girl is being assaulted in a bar when Guts walks in. He kills all of her assailants but one, making him tell his master that the Black Swordsman is coming.
Guts then confronts the master, kills him, and removes a Behelit from around his neck. Towards the conclusion of the episode, it takes us back several years; when Guts kills Bazuso and he meets Griffith - thus commencing The Golden Age Arc.