https://animeschedule.net/anime/keroro-gunsou-movie
New Keroro Gunsou project to celebrate its 20th anniversary.
keroro gunsousgt frog
https://www.animenewsnetwork.com/news/2025-12-23/sgt-frog-manga-gets-tv-anime-with-brand-new-cast-next-fall/.232427
Franchise's current cast stars in previously announced Sgt. Frog anniversary film
sgt frogbrand newmangagetstv
https://www.animenewsnetwork.com/news/2008-10-26/4th-sgt-frog-super-movie-to-open-in-japan-in-march
4th feature to be double-billed with prequel short developed by manga creator
sgt frogin japansupermovieopen