11-year-old Yusuke and his classmates camp in the woods and see a strange light. They discover a small metallic object like a robot which talks, calls himself Tetra and knows Yusuke's name. Tetra can create wonderful gadgets but actually has to save the world with Yusuke's help from extraterrestrials with bad intentions.
- PUAN VER
Künye
Takashi YamazakiYönetmen, Senaryo
Shingo KatoriSoichiro Kanzaki
Miki SakaiNoriko Kinoshita
Anne SuzukiMisaki Kinoshita
Yuya EndoYusuke Sakamoto- Kyôtaro ShimizuHidetaka Ono
- YukiToshiya Matsuoka
Katsumi TakahashiYusuke's Father