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Paramount+ is a great streaming service if you're building a weekend movie marathon. It adds dozens of movies to the platform each month. It just added over 120 new movies and shows on September 1 alone. Many of these are beloved classics or more modern hits. A few times a month, you also get brand-new movies from Paramount Skydance Studios.This week, I'm highlighting one brand-new movie that just debuted on Paramount+, plus two other incredible films from the 2010s. Let's start with the new film though, which is "Scary Movie" (2026). Don't get it confused with "Scary Movie," which is now 26 years old. Once you're done streaming that, let things get a bit more serious and hit play on "Argo," an excellent political thriller set during the Iranian hostage crisis. Finally, "Dunkirk" was just added to Paramount+ on the first of the month, and it's one of the greatest movies of all time, let alone the 2010s. Make sure to watch it this month before it eventually leaves.Here are the three new to Paramount+ movies that you need to be streaming this weekend. If you need more recommendations, check out our full guide to everything new on Paramount+ in September 2026.