CDT cdtm Restricted Halloween shows Recommend seasonal viewing. Doesn't need to cover trick or treating specifically, appropriate horror themes will do.
BAC BackFire Blood. It's nature's lube I've heard Netflix's upcoming Haunting of Hill House is supposed to be really good.
SAM samhain The Demon Hunter Hulu have a horror anthology series called, Into The Dark. Premiered last night I believe, haven't watched it myself yet though.