This adventurous story of a boy named Uri and an old man takes place in the cosmic Milky Way where the starfish live. This is the tale of their fantasy journey in search of the mysterious monster fish.
| Actor | Role |
|---|---|
 Ichiro NagaiOld Astronomer | Old Astronomer |
| SShouhei AyukawaYuri | Yuri |
 Isamu TanonakaTongari | Tongari |
| SShinichi TsuwaRobot Light Tower | Robot Light Tower |
 Masaharu SatoBuilding (voice) | Building (voice) |