Sergeant Keroro and his four subordinates came from the planet Keron to the Earth to conquer. However, without notice, they began to enjoy the life on the Earth. Keroro was supposed to stay with Hitana to get the chance to conquer the Earth, but he became friend with Hinata's son, Fuyuki. Today, as usual, Keroro goes to buy his favorite Gundam plastic model with Fuyuki. On their way home, they find a small shrine, and enter. There, they find a vase, and happens to break it. Since the next day, strange things happen all over the town and people are in panic. Inside the vase, Kiruru, Keron's ancient ultimate weapon was sealed. At the moment, Mirara who holds the secret of the Kiruru appears and informs them of the only method to save the Earth. However...
Unfortunately the movie Sergeant Keroro The Super Duper Movie is not yet available on HBO Max.
| Writing | Mamiko Ikeda | Screenplay |
| Art | Nobuhiro Kondo | Storyboard Artist |
| Visual Effects | Hatsue Nakayama | Animation Director |
| Visual Effects | Fumitoshi Oizaki | Character Designer |
| Visual Effects | Makoto Shimojima | Key Animation |
| Visual Effects | Masashi Kudo | Key Animation |
| Visual Effects | Masahiko Itojima | Animation Director |
| Visual Effects | Hirofumi Masuda | Key Animation |
| Visual Effects | Fumitoshi Oizaki | Animation Director |
| Visual Effects | Daisuke Yoshida | Animation Director |
| Visual Effects | Naoyuki Konno | Key Animation |
| Visual Effects | Shinichi Takahashi | Animation Director |
| Visual Effects | Yoshinobu Ando | Key Animation |
| Visual Effects | Masashi Kudo | Animation Director |
| Visual Effects | Fumitoshi Oizaki | Supervising Animation Director |
| Visual Effects | Hiroko Oguri | Animation Director |
| Visual Effects | Marie Tagashira | Key Animation |
| Visual Effects | Hiroshi Iijima | Compositing Artist |
| Directing | Yusuke Yamamoto | Director |
