Halloween Town movies. (But they’re hard to find these days.)
Vampire Hunter D, old Dracula films.

Halloween series (not including Rob Zombie movies)
Friday the 13th series
Nightmare on Elm Street series
Texas Chainsaw Massacre
Hellraiser series
The Collector, the Collection
Saw series
Silent Hill
Frankenstein's Army
Re-Animator series (yes, there's actually 3 movies!)
100 Ghost Street: Return of Richard Speck (known under multiple different titles)
Grave Encounters
My Bloody Valentine (original or remake)
Evil Dead series
Nightmare Before Christmas
Beetlejuice
Sleepy Hollow
It (original or remake)

The Banana Splits Movie, Killer Klowns from Outer Space, any Scooby Doo movie, Creepshow 1 and 2, various horror B movies (especially the MST3K versions), Tremors, Child's Play and...well.....Cool Cat Saves the Kids.

Suicide Squad, Haunting Hour

Im doing a B-Movie marathon.

Halloween and Halloween III: Season of the Witch in that order.

Makes for the perfect viewing order on the holiday. Especially the latter which actually makes the holiday horrifying to enjoy.

youtu.be/vsfjzfGZVyQ

Spaced Invaders - best Halloween movie ever  

The Haunting (1963)
Black Sunday (1960)
Dawn of The Dead (1978)
Fright Night (1985)
The Monster Squad (1987)
Night of the Demon (1957)
Phantom of the Paradise (1974)
The Howling (1981)
Nightmare On Elm Street (1984) and N.O.E.S. 3 (1987)
Murder By Decree (1979) [a Sherlock Holmes film with a heavy tinge of horror!]

phantom of the paradise and rocky horror i save for halloween, i spread actual horror movies throughout the rest of the month

This year, I'm planning to watch the original Nightmare on Elm Street

Tim Burton's Sleepy Hollow
Also the 1979 Dracula movie starring Frank Langella., the music for it was by John Williams!
and Disney's Hocus Pocus.

Haunting hour 
trick r treat
goosebumps the haunted mask
scooby doo on zombie island
Scream
Friday the 13th part 2 and the new blood
Classic universal monster movies

The Room