Highlander: The Animated Series (1994)

S2E22 Cult of the Immortal

The three friends find themselves in a mining town dominated by a sinister death cult that requires human sacrifices to satisfy the Immortal god, Quentin MacLeod. Quentin has a hunch that Kortan is behind this grim situation, but he faces the challenge of convincing the furious locals who are eager to exact their revenge on him.