When a research crew in deep space discovers the desolate ship "Green Planet" that warps into their area, they encounter Buzz, the commander and sole surivor of the ship. Being too incapacitated to make them aware of the situation of his ship, the research team will soon discover that they have found something far, far worse...
Unfortunately the movie Roots Search is not yet available on HBO Max.
| Directing | Hisashi Sugai | Director |
| Writing | Michiru Shimada | Screenplay |
| Directing | Hiroshi Negishi | Assistant Director |
| Visual Effects | Sanae Kobayashi | Character Designer |
| Writing | Katsumi Endo | Storyboard |
| Sound | Osamu Shooji | Music |
| Art | Yoshinori Takao | Art Direction |
| Visual Effects | Hiroshi Negishi | Animation Director |
| Production | Toyoo Ashida | Production Manager |
| Sound | Yoshio Obara | Recording Supervision |
| Editing | Hidehiko Bessho | Color Timer |
| Sound | Katsumi Itou | Sound Effects |
| Directing | Tadashi Katayama | Layout |
| Sound | Osamu Shooji | Music Director |
| Production | Hiromasa Shibazaki | Executive Producer |
| Editing | Toshio Henmi | Editor |
| Visual Effects | Noriyasu Yamauchi | Key Animation |
| Visual Effects | Yasuhiro Moriki | Mechanical Designer |
| Visual Effects | Hiroshi Koujina | Key Animation |
| Sound | Kumiko Kaori | Theme Song Performance |
| Editing | Yuri Hirokawa | Color Timer |
| Visual Effects | Yasuyuki Matsumura | Key Animation |
| Sound | Harusumi Ootsuka | Recording Supervision |
| Visual Effects | Hiromi Matsushita | Key Animation |
| Sound | Goichi Misumi | Music Score Producer |
| Production | Kiyoshi Shoji | Producer |
| Production | Masayuki Miyashita | Executive Producer |
| Editing | Kazuhiko Seki | Editor |
| Visual Effects | Sanae Kobayashi | Animation Supervisor |
| Production | Kunihiko Yuyama | Supervising Producer |
| Sound | Noriyoshi Matsuura | Sound Effects |
| Sound | Noriyoshi Matsuura | Sound Director |
