Carnivàle (2003)

Into each generation is born a creature of light and a creature of darkness.

Carnivàle is an American television series set in the United States during the Great Depression and Dust Bowl. In tracing the lives of two disparate groups of people, its overarching story depicts the battle between good and evil and the struggle between free will and destiny; the storyline mixes Christian theology with gnosticism and Masonic lore, particularly that of the Knights Templar.