Nintendo presented a focused Direct on September 12, 2025, to preview The Super Mario Galaxy Movie ahead of its theatrical release on April 3, 2026. The stream ran under eight minutes but delivered a dense serving of footage and announcements — below is a concise summary of everything revealed during the presentation.
What the September 12, 2025 Nintendo Direct Revealed
Producer Shigeru Miyamoto and Illumination CEO Chris Meledandri opened the Direct and immediately rolled the full trailer. The preview reunites familiar faces — Mario, Luigi, Peach, Toad, and Bowser — while introducing Rosalina and a new take on Bowser Jr.
The trailer opens on a stormy night inside Bowser’s castle, where the oversized villain is quietly painting a portrait — only to be startled by Luigi. The clip nods to the ending of The Super Mario Bros. Movie (2023), in which Bowser consumed a Mini Mushroom and was shrunken down; since then the brothers appear to have kept a watchful eye on a miniaturized Bowser living within Peach’s castle.
From there the montage explodes into cosmic spectacle: stars tear across the sky, and Peach, Mario, and Toad tumble through star-shaped portals that deposit them on strange planets. We see Mario and Luigi speeding across a sandy world on motorbikes toward a pyramid; Peach engaging in a combat sequence on another world; a powered-up Bowser Jr.; and Rosalina unleashing her powers against a towering mechanized adversary. The trailer closes with a reminder that The Super Mario Galaxy Movie opens April 3, 2026.
Casting and Characters
The Direct confirmed several notable casting details. Brie Larson — an outspoken Nintendo fan — will voice Rosalina. During the presentation, Meledandri attempted to announce the voice of Bowser Jr., but the moment was hijacked by Bowser’s own actor, Jack Black. Bowser Jr. is revealed to be voiced by Benny Safdie, known for his work on Oppenheimer and Uncut Gems. The clip shows both a transformed, powered-up Bowser Jr. and a more classic-looking version of the character.
Miyamoto and Meledandri closed the Direct by expressing enthusiasm for the project; Meledandri noted Illumination was just weeks away from finalizing the film at the time of the presentation. Miyamoto encouraged viewers to consult the Nintendo Today app for additional details — as of the Direct’s posting, the app contained the Direct itself but limited extra material.
New Poster
That summarizes the news from Nintendo’s September 12, 2025 Direct about The Super Mario Galaxy Movie. For the full trailer and additional coverage, see the reveal trailer and related features. If you want more Mario-centric entertainment, Nintendo recently announced a Super Mario Galaxy + Super Mario Galaxy 2 bundle for Switch and Switch 2. For context on Nintendo’s prior film effort, you can also read Game Informer’s review of The Super Mario Bros. Movie (2023).
Useful links:
- Direct livestream
- Reveal trailer coverage
- Super Mario Galaxy bundle announcement
- Game Informer’s 2023 film review
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