Air date: 2016-10-11

Inspired by Kris Straub's "creepypasta" tale, season one deals with one man’s obsessive recollections of a mysterious children’s television program from the 1980s, and his ever-growing suspicions about the role it might have played in a series of nightmarish and deadly events from his childhood.

Air date: 2017-09-20

Inspired by Brian Russell’s “Creepypasta” tale, season two tells the story of Margot Sleator, a young woman who visits the No-End House, a bizarre house of horrors that consists of a series of increasingly disturbing rooms. When she returns home, Margot realizes everything has changed.

Air date: 2018-02-07

Inspired by Kerry Hammond's “Search and Rescue Woods” Creepypasta tale, season three tells the story of a young woman named Alice who moves to a new city and learns about a series of disappearances that may be connected to a baffling rumor about mysterious staircases in the city's worst neighborhoods. With help from her sister, they discover that something is preying on the city's residents.

Air date: 2018-10-26

Based on the “creepypasta” short story Hidden Door by Charlotte Bywater, season four follows newlyweds Jillian and Tom, who have each brought secrets into their marriage. When they discover a strange door in their basement, those secrets start to threaten their relationship — and their lives.