Every Horror Movie and TV Show Releasing This Week in Theaters and on Streaming Including Two ‘Star Wars’ Titles

Science fiction enthusiasts are in for a treat this week with a diverse array of new releases and beloved classics hitting theaters and streaming platforms. From thrilling space adventures and superhero comedies to dystopian narratives and nostalgic retrospectives, this week’s lineup promises a rich variety of speculative storytelling.

Whether you’re planning a trip to the cinema or updating your digital watchlist, there are plenty of exciting titles to discover in the coming days. Here’s your complete guide to every major sci-fi title launching this week.

‘LEGO Star Wars: The Mandalorian’ (2026)

Debuting on Disney+ on September 2, 2026, this animated special creatively reinterprets the adventures of the iconic bounty hunter in a charming brick-built style. The story follows Din Djarin and Grogu as they embark on humorous galactic escapades, encountering familiar foes throughout the ‘Star Wars’ universe. Expect a delightful mix of family-friendly storytelling and high-stakes action typical of LEGO adaptations, featuring inventive visual humor, space battles, and engaging character interactions.

‘The Mandalorian and Grogu’ (2026)

Directed by Jon Favreau, this cinematic feature is set to premiere on Disney+ on September 2, 2026. The film expands the galactic journey of Din Djarin and Grogu as they navigate perilous territories and face formidable adversaries. With a cast led by Pedro Pascal, alongside Sigourney Weaver and Jeremy Allen White, this film is co-written by Favreau, Dave Filoni, and Noah Kloor, offering a feature-length addition to the expansive ‘Star Wars’ universe.

‘Clash of the Thundermans’ (2026)

Set to premiere on Paramount+ and Nickelodeon on September 3, 2026, this superhero comedy continues the adventures of the superpowered Thunderman family. The narrative revolves around family rivalries and new superhuman challenges that test their teamwork and individual strengths. The original cast members return to reprise their roles, blending comedic elements with vibrant visual effects and action-packed superhero sequences.

‘Legend of the White Dragon’ (2026)

Arriving on digital streaming platforms on September 4, 2026, this action-packed sci-fi feature marks the final film project of the late Jason David Frank. The story follows Erik Reed, a fallen hero who returns from exile to protect Virtucon and reclaim his lost powers. Directed by Aaron Schoenke, the film features martial arts combat, futuristic lore, and impressive visual effects, with a supporting cast that includes Mark Dacascos, Michael Madsen, and David Yost.

‘Ephemera’ (2026)

Debuting on streaming platforms on September 4, 2026, this cyberpunk thriller explores a dystopian future shaped by artificial intelligence and advanced cybernetics. The plot follows an operative navigating an urban underworld to uncover a vast technological conspiracy. The film delves into themes of consciousness, identity, and the implications of synthetic evolution, featuring stylized neon visuals and fast-paced vehicular sequences.

‘The Nutty Professor’ (1996)

Returning to theaters on September 4, 2026, for a limited 30th-anniversary re-release from Universal Pictures, this sci-fi comedy stars Eddie Murphy in multiple roles. The story centers on scientist Sherman Klump, who invents a revolutionary weight-loss formula that inadvertently brings forth his confident alter ego, Buddy Love. Directed by Tom Shadyac, the film features a supporting cast including Jada Pinkett Smith, James Coburn, and Larry Miller, and is renowned for its innovative prosthetic makeup effects that earned an Academy Award upon its initial release.

‘Onslaught’ (2026)

Releasing in theaters nationwide via A24 on September 4, 2026, this action-horror sci-fi thriller is directed by Adam Wingard and penned by Simon Barrett. The storyline follows a community struggling to survive against an unknown and hostile threat. The ensemble cast includes Adria Arjona, Dan Stevens, Eric Wareheim, and Reginald VelJohnson in key roles. The film combines tactical action choreography with gripping suspense and creature-driven practical effects.

Share your thoughts in the comments about which sci-fi release you are most eager to watch this week.