Highlander: The Series (1992)

S5E9 Little Tin God

Derek found salvation from a life of violence on the streets through his deep faith in God. Tragically, when the promising gospel singer is murdered in a drive-by shooting, he awakens in God's embrace and is granted eternal life. However, his new existence comes with a daunting mission: God enlists him as a warrior in the Holy War against Satan. The twist? Satan reveals himself to be none other than Duncan MacLeod.