The Keroro franchise, home to the bumbling frog-like alien soldiers from Mine Yoshizaki's 1999 manga, is launching its next theatrical film on June 26 in Japan. Titled "Super Deformed Gundam Invasion!? Keroro Platoon’s Total War!", the movie pits the platoon against a yokai outbreak in Shibuya while a shadowy "genius inventor" pulls the strings behind the chaos, according to Bandai Namco's official description.

June 26, 2025 — The Date Keroro Returns to Theaters

The new film,which Bandai Namco plans to release in Japanese cinemas on June 26, marks the franchise’s first big-screen outing in years. As the source reports, the story involves mysterious yokai appearing across Shibuya and nationwide supernatural phenomena that threaten the Keroro Platoon’s pride as would-be invaders. New characters Arle and Deruru, described as Keronian brothers, join the action, adding to the ensemble that has sustained the series since its debut in Monthly Shonen Ace in 1999.

Yokai in Shibuya and a Shadowy Genius: The Film’s Plot Details

Bandai Namco’s plot summary, as cited in the source, reveals that the Keroro Platoon must defend their reputation against bizarre supernatural occurrences. "Symbols are appearing everywhere," and a mysterious genius inventor is orchestrating events from the shadows. This premise blends the franchise’s signature slapstick humour with Japanese folklore, a departure from its usual sci-fi invasion antics. The inclusion of yokai — traditional spirits — suggests a fresh twist that could attract both longtime viewers and newcomers unfamiliar with the series’ earlier film installments.

From 1999 to Hollywood : Keroro’s 25-Year Gundam Connection

The source notes that the Keroro franchise has a history of intersecting with the Gundam universe, and the new film’s title explicitly nods to that link. Meanwhile, a Hollywood live-action Gundam film is now in development — the first time the icoinc mecha franchise will receive a Western live-action treatment. This parallel is significant: Keroro’s crossover with Gundam may serve as a lighthearted entry point for global audiences before the more serious live-action Gundam arrives. The mech genre itself is enjoying renewed interest, with the recent theatrical return of Mobile Suit Gundam and other collaborations fueling fan excitement, the source adds.

No North American Date Yet: What the Gundam Tie-In Means for Western Fans

As the source reports, the new Keroro movie has yet to secure a confirmed North American release. However, its explicit Gundam crossover could boost its chances of reaching Western audiences via streaming or limited theatrical distribution. Anime distributors have increasingly banked on nostalgia and mech appeal, but a talking-frog squad remains a harder sell than a stoic robot pilot. Whether the film’s blend of yokai horror and slapstick humor translates across cultural lines — and whether a distributor steps up — remains the biggest open question for fans outside Japan.