Highlander: The Animated Series (1994)

S2E3 The Price of Freedom

Ramirez brings the wild Quentin to the remnants of a city ravaged by the apocalypse, hoping to show him the reality of teenage life in their world. While there, they stumble upon a brawl between rival gangs of teens. Inspired by the chaos, Quentin decides to step in and attempt to broker peace between the two groups.