12 Must-Watch Horror Movies to Stream Right Now (October 2025): ‘The Substance’ and More

Image: Demi Moore as Elizabeth Sparkle. Screenshot from the movie trailer: The Substance Trailer #1 (2024) – Rotten Tomatoes Trailers. Article by Blair Marnell. US Magazine – updated October 9, 2025.

If you can’t find a horror movie to stream in October, then you must not be trying very hard. They’re everywhere this time of year. Finding the great horror movies, however, can be a challenge. That’s why Watch With Us team has updated our picks for the must-watch horror movies to stream right now. This month’s picks include The Substance and Stay. And we highly recommend that you refrain from eating during the former. Trust us on that one, because the body horror in The Substance goes to some pretty gross places. […]

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Video: THE SUBSTANCE | Official Trailer | In Theaters & On MUBI Now – MUBI