The popularity and quality of horror TV shows have fluctuated over the years, with some of the creepiest and most well-received airing from approximately the 1930s to the 1980s. Shows from this time are considered classics, and many have influenced legendary horror creatives that fans of the genre celebrate today. A large number of the classic shows from this time are anthology horror series. The anthology format allows for just the right amount of time for a spooky tale to develop and effectively frighten audiences.

https://screenrant.com/classic-horror-tv-shows-legitimately-creepy-list/