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Monster Summer debuted on Paramount+ with Showtime on July 1, 2025. The date was announced on June 24, 2025, so it is no longer an upcoming release. For U.S. viewers, the 2024 horror-adventure is currently listed through Paramount+ and several digital rental and purchase services, although availability can change.

Where to watch Monster Summer now

In the United States, Monster Summer is currently listed through Paramount+ Premium. Listings also identify Paramount+ Amazon Channel, Paramount+ Roku Premium Channel, and YouTube TV as possible subscription-based viewing routes.

For a one-time viewing, JustWatch’s U.S. listing identifies rental or purchase options through Amazon Video, the Apple TV Store, and Fandango at Home. Kanopy may also carry the film for users whose participating libraries offer it, but that option is dependent on local licensing and library membership.

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Prices and catalog availability vary. A digital rental is generally the simplest choice if you only want to watch the film once; a purchase may make more sense for repeat viewing. Digital purchases are normally tied to the retailer account and license terms rather than being transferable video files.

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When did Monster Summer start streaming?

The announced subscription-streaming debut was July 1, 2025, on Paramount+ with Showtime. The announcement was made on June 24, 2025, after the movie had already received a theatrical release and become available through premium video-on-demand services.

That distinction matters: the film being available to rent or buy online before July 1 did not mean it was included with a streaming subscription. The release path was theatrical, followed by PVOD, followed by the Paramount+ subscription debut.

What is the movie about?

Set in 1997, the film follows Noah and his friends after a mysterious force disrupts their summer. They team up with Gene Carruthers, a retired police detective, to investigate the threat and protect their island.

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Although it is often described simply as a horror movie, the film is more accurately a PG-13 supernatural horror-adventure with mystery, fantasy, and family-oriented elements. Apple TV categorizes it as both adventure and horror, while the film’s official materials emphasize the young ensemble and investigation-driven story.

Its PG-13 rating is for some violence and terror. Viewers expecting extreme, adult, or hard-R horror should therefore expect a more accessible youth-centered supernatural mystery instead.

Cast and filmmakers

  • Mel Gibson as Gene Carruthers, a retired police detective
  • Mason Thames as Noah Reed
  • Lorraine Bracco
  • Kevin James
  • Nora Zehetner
  • Noah Cottrell
  • Abby James Witherspoon
  • Lilah Pate
  • Julian Lerner
  • Patrick Renna

Monster Summer was directed by David Henrie and written by Cornelius Uliano and Bryan Schulz. The official film site lists Dan McDonough, John Blanford, Mark Fasano, and James Henrie among the producers. More production and cast information is available at the official Monster Summer website.

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Release history, runtime, and rating

The film opened in U.S. theaters on October 4, 2024, according to distributor Pastime Pictures. It later reached digital rental and purchase platforms before its July 2025 subscription-streaming debut.

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Runtime listings are inconsistent. Paramount+ and the distributor list approximately 1 hour, 37 minutes, while Apple TV lists 1 hour, 33 minutes and JustWatch lists 98 minutes. A safe expectation is roughly 1 hour and 35–40 minutes.

In the U.S., the movie is rated PG-13 for some violence and terror. Ratings, subtitles, runtimes, and availability may differ outside the United States.

Is Monster Summer worth watching?

The film is best suited to viewers who enjoy nostalgic, youth-focused supernatural mysteries, island adventures, and relatively accessible PG-13 scares. Its combination of children investigating a threat with help from a retired detective places it closer to family-friendly horror-adventure than intense genre horror.

If you already subscribe to Paramount+, watching it through the catalog is the most direct option. If you want only this film, renting it digitally avoids starting a new subscription. A purchase is more appropriate for viewers who expect to revisit it, while Kanopy is worth checking only if a local library provides access.

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The original “finally sets streaming release date” headline referred to news from June 2025. The actual Paramount+ with Showtime release date was July 1, 2025, and that date has already passed.

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