Summer, 2006. A 5th grader Ryuhei discovers a notebook entitled "Tokyo Exploring Records." It was a journal kept by his father, Shohei, when he was around Ryuhei's age. Ryuhei forms his own exploration party with his friends Shun and Yoshio. One summer day, the party and Ryuhei's younger brother Sasuke who happens to tag along, heads to the dungeon looking for a treasure indicated on the journal
Unfortunately the movie SOS! Tokyo Metro Explorers: The Next is not yet available on HBO Max.
| Writing | Katsuhiro Otomo | Comic Book |
| Art | Junichi Taniguchi | Art Direction |
| Visual Effects | Katsuhiro Otomo | Character Designer |
| Sound | Yoshihiro Ike | Music |
| Writing | Sadayuki Murai | Screenplay |
| Visual Effects | Mitsuhiro Sato | Compositing Artist |
| Editing | Takeshi Seyama | Editor |
| Directing | Shinji Takagi | Director |
| Visual Effects | Hiroki Yamada | Modeling |
| Visual Effects | Nagisa Abe | Color Designer |
| Crew | Katsuhiro Otomo | Creator |
| Visual Effects | Mitsunori Murata | Animation Production Assistant |
| Sound | Keiichi Momose | Sound Director |
| Visual Effects | Tomonari Nakajima | Animation |
| Visual Effects | Hidekazu Ohara | Character Designer |
| Visual Effects | Masashi Kokubo | CGI Director |
| Visual Effects | Hidekazu Ohara | Animation Director |
| Production | Hideo Matsushita | Production Manager |
| Visual Effects | Takashi Hashimoto | Special Effects Supervisor |
| Visual Effects | Yuta Seo | CG Artist |
