Rollpanna visits Ukikimo Castle and meets Princess Lola. Her job is to wash away the world's dirt. However, the machine for that has broken down and Rollpanna helps her repair it. Worried that the Ukigumo Castle is dirty, Anpanman came to help. But Baikinman has invaded and tried to fill the world with dirt using "bamboo rain". Rollpanna is turned into Black Rollpanna, and then Currypanman is also turned black. Can Anpanman and friends save the day?
Unfortunately the movie Go! Anpanman: The Secret of Roll and Lola's Floating Castle is not yet available on HBO Max.
| Visual Effects | Takashi Yamamoto | Key Animation |
| Visual Effects | Kenichi Ohki | Key Animation |
| Visual Effects | Kouji Motoyama | Key Animation |
| Visual Effects | Shuichi Okubo | Key Animation |
| Visual Effects | Mao Torii | Key Animation |
| Visual Effects | Ryo Inoguchi | Key Animation |
| Visual Effects | Shinichi Suzuki | Key Animation |
| Visual Effects | Yasuo Hoshina | Key Animation |
| Visual Effects | Takenori Mihara | Key Animation |
| Visual Effects | Mitsuru Sōma | Key Animation |
| Visual Effects | Yasutaka Hanabusa | Key Animation |
| Visual Effects | Masashi Hioki | Key Animation |
| Visual Effects | Yuko Matsuo | Key Animation |
| Directing | Shunji Ôga | Director |
| Writing | Takashi Yanase | Original Story |
| Writing | Shouji Yonemura | Screenplay |
| Sound | Taku Izumi | Music |
