But writer/producer Nick Antosca (Hannibal) added to that sub-genre last year with the genuinely disturbing premiere season of Channel Zero.
Channel Zero: The No-End House airs on Syfy in October.
The themes for Channel Zero seasons 3 and 4 were previously under-wraps, but now Bloody Disgusting has revealed the stories and inspiration for those upcoming shows and what we can expect.
With the second season of Channel Zero not even due to air until October, the themes for seasons 3 and 4 have already been shared online.