| Juvenile | |
| Director: | Takashi Yamazaki |
| Producer: | Shūji Abe |
| Starring: | Megumi Hayashibara Shingo Katori Anne Suzuki Yuya Endo Kyôtaro Shimizu Yuki Teruo Takeno |
| Cinematography: | Kōzō Shibasaki |
| Distributor: | Toho |
| Runtime: | 97 minutes |
| Country: | Japan |
| Language: | Japanese |
is a 2000 Japanese science fiction adventure film directed by Takashi Yamazaki in his directorial debut.
Summer, 2000. Eleven-year-old Yusuke and his classmates are camping in a woods when suddenly they see a bright light streak over the treetops and into the woods. The boys take off into the woods towards the light. There in the ground, growing, they find a small round metallic object. Just as Yusuke reaches to touch it, the mysterious object pops up a set of eyes and the object says;
"I am Tetra, I meet Yusuke".Startled Yusuke replies "Your name is Tetra? Cool!"
Tetra is kept from adult eyes in Yusuke's closet. Tetra creates wonderful gadgets using "never-seen-before" technology. It would appear Tetra was designed with artificial intelligence. But where did Tetra come from and what is its purpose? As the relationship grows between Yusuke and Tetra, these questions are answered.