Join or Sign In
Sign in to customize your TV listings
By joining TV Guide, you agree to our Terms of Use and acknowledge the data practices in our Privacy Policy.
A modern mystic, using occult practices to communicate with the dead, experiences an evil beyond human comprehension.
There are no TV Airings of Heretic in the next 14 days.
Add Heretic to your Watchlist to find out when it's coming back.
Check if it is available to stream online via "Where to Watch".