In the Forest of Okoya, Koko is a feral child who has been raised as a Pokémon by the Mythical Pokémon Zarude. Koko has grown up never doubting that he is a Pokémon even though he can't really use any sort of moves. Ash Ketchum and Pikachu meet Koko and help him protect the Great Tree from the crooked scientist Dr. Zed.
Unfortunately the movie Pokémon the Movie: Secrets of the Jungle is not yet available on HBO Max.
| Sound | Kenta Higashiohji | Original Music Composer |
| Production | Minami Ichikawa | Executive Producer |
| Sound | Taiiku Okazaki | Original Music Composer |
| Production | Yuta Uchiyama | Producer |
| Editing | Masashi Nogawa | Editor |
| Production | Takemoto Mori | Associate Producer |
| Production | Masakazu Kubo | Executive Producer |
| Production | Nobumasa Sawabe | Associate Producer |
| Sound | Shinji Miyazaki | Original Music Composer |
| Sound | Rei Ishizuka | Original Music Composer |
| Production | Masanori Yumiya | Associate Producer |
| Sound | Shota Kageyama | Original Music Composer |
| Art | Tomomi Iwase | Background Designer |
| Art | Nazuna Okamura | Assistant Director of Photography |
| Art | Yumiko Kuga | Background Designer |
| Directing | Jun Owada | Assistant Director |
| Visual Effects | Yuko Kato | Animation Director |
| Visual Effects | Shinobu Ookawa | Animation Director |
| Visual Effects | Shunichiro Taniguchi | Key Animation |
| Visual Effects | Miyako Oota | Key Animation |
| Visual Effects | Miyako Oota | Animation Director |
| Visual Effects | Satoshi Nakano | Animation Director |
| Visual Effects | Kanako Ono | Key Animation |
| Visual Effects | Yasushi Nishiya | Supervising Animation Director |
| Visual Effects | Satoshi Hirayama | Animation Director |
| Visual Effects | Taichi Furumata | Key Animation |
| Visual Effects | Yosuke Murata | Key Animation |
| Visual Effects | Saka Ikeda | Animation Director |
| Visual Effects | Eri Kojima | Animation Director |
| Visual Effects | Atsushi Suzuki | Key Animation |
| Visual Effects | Shintaro Nagisa | Mechanical Designer |
| Visual Effects | Hirotaka Marufuji | Character Designer |
| Visual Effects | Akiko Nakata | Animation Director |
| Visual Effects | Yuko Kato | Key Animation |
| Visual Effects | Sayuri Ichiishi | Key Animation |
| Visual Effects | Yasushi Nishiya | Animation Director |
| Visual Effects | Takayuki Shimura | Animation Director |
| Visual Effects | Yuki Hashimoto | Key Animation |
| Visual Effects | Shinichiro Yamada | Key Animation |
| Visual Effects | Ayana Nishino | Animation Director |
| Visual Effects | Tu Yong-ce | Key Animation |
| Visual Effects | Bahi JD | Key Animation |
| Visual Effects | Hiromi Niioka | Key Animation |
| Visual Effects | Norihiro Matsubara | Key Animation |
| Visual Effects | Sadatoshi Matsuzaka | Key Animation |
| Visual Effects | Yuri Ichinose | Animation Director |
| Visual Effects | Kanako Ono | Animation Director |
| Visual Effects | Aito Ohashi | Key Animation |
| Visual Effects | Kenji Kato | Key Animation |
| Visual Effects | Akiko Nakata | Key Animation |
| Visual Effects | Osamu Murata | Animation Director |
| Visual Effects | Akihiko Oka | Animation Director |
| Visual Effects | Takuji Mogi | Animation Director |
| Visual Effects | Satoshi Nakano | Key Animation |
| Visual Effects | Keisuke Hiroe | Key Animation |
| Visual Effects | Hayato Torii | Key Animation |
| Visual Effects | Akane Eguchi | Key Animation |
| Visual Effects | Miyuki Sato | Color Designer |
| Visual Effects | Miwa Katayama | Animation Director |
| Art | Katsumi Takao | Art Direction |
| Visual Effects | Takeshi Maenami | Key Animation |
| Visual Effects | Hirotaka Marufuji | Supervising Animation Director |
| Visual Effects | Shinichi Yoshino | Animation Director |
| Visual Effects | Yooko Kadokura | Key Animation |
| Visual Effects | Tadaaki Miyata | Animation Director |
| Visual Effects | Kunihiko Yuyama | Animation Supervisor |
| Camera | Ryou Kujirai | Director of Photography |
| Visual Effects | Sayuri Ichiishi | Animation Director |
| Visual Effects | Tadaaki Miyata | Key Animation |
| Visual Effects | Yooko Kadokura | Animation Director |
| Writing | Atsuhiro Tomioka | Screenplay |
| Visual Effects | Naoki Hiramura | Key Animation |
| Art | Heo Young-dan | Background Designer |
| Visual Effects | Misako Otsu | Compositing Artist |
| Art | Kang Hee-young | Background Designer |
| Visual Effects | Yuta Katayama | Compositing Artist |
| Visual Effects | Eri Sano | Key Animation |
| Visual Effects | Eri Ueda | Key Animation |
| Visual Effects | Kimihiro Nakano | Compositing Artist |
| Visual Effects | Kazunori Ozawa | Key Animation |
| Visual Effects | Tomoko Takei | Key Animation |
| Visual Effects | Yusuke Horie | Compositing Artist |
| Visual Effects | Shinobu Ookawa | Key Animation |
| Visual Effects | Mayuko Fukazawa | Compositing Artist |
| Visual Effects | Daichi Nogami | Compositing Artist |
| Visual Effects | Sayuri Ichiishi | Opening/Ending Animation |
| Visual Effects | Naho Hasegawa | Compositing Artist |
| Visual Effects | Ayano Suzuki | Key Animation |
| Visual Effects | Masatsugu Yamazaki | Compositing Artist |
| Art | Liu Yang | Background Designer |
| Art | Kanako Ono | Prop Designer |
| Visual Effects | Kozue Tanaami | Key Animation |
| Visual Effects | Shiho Imaizumi | Compositing Artist |
| Visual Effects | Shiyu Otomo | Compositing Artist |
| Art | Liu Chia-yun | Background Designer |
| Visual Effects | Hiromi Ishigami | Key Animation |
| Visual Effects | Akiko Nakamura | Key Animation |
| Visual Effects | Chikako Noma | Key Animation |
| Visual Effects | Kouki Tomiyoshi | Key Animation |
| Visual Effects | Midori Nagaoka | Key Animation |
| Visual Effects | Natsumi Tomobe | Key Animation |
| Visual Effects | Masaki Tanaka | Key Animation |
| Visual Effects | Maho Satsuki | Key Animation |
| Visual Effects | Yuko Shimoe | Key Animation |
| Visual Effects | Kazuaki Mori | Key Animation |
| Visual Effects | Hiroshi Matsumoto | Key Animation |
| Visual Effects | Hiroyuki Horiuchi | Key Animation |
| Visual Effects | Yoshifumi Okawa | Key Animation |
| Visual Effects | Masayori Komine | Key Animation |
| Visual Effects | Ayumi Ono | Key Animation |
| Visual Effects | Miyuki Matsumoto | Key Animation |
| Visual Effects | Shinichi Yoshino | Key Animation |
| Visual Effects | Yoko Tsubaki | Key Animation |
| Visual Effects | Megumi Ueda | Key Animation |
| Visual Effects | Ken Shintani | Key Animation |
| Visual Effects | Miwa Katayama | Key Animation |
| Visual Effects | Hiroko Kaneda | Key Animation |
| Visual Effects | Eiichi Tominaga | Key Animation |
| Visual Effects | Rei Yamazaki | Key Animation |
| Visual Effects | Asato Ikumi | Key Animation |
| Visual Effects | Risa Arai | Key Animation |
| Visual Effects | Masami Takebuchi | Key Animation |
| Visual Effects | Yasue Ohno | Key Animation |
| Visual Effects | Shinichi Yoshikawa | Key Animation |
| Visual Effects | Satoshi Hirayama | Key Animation |
| Visual Effects | Naoto Yoshida | Key Animation |
| Visual Effects | Akihiko Oka | Key Animation |
| Visual Effects | Shuhei Yasuda | Key Animation |
| Visual Effects | Kouki Fujimoto | Key Animation |
| Visual Effects | Yasushi Nishiya | Key Animation |
| Visual Effects | Tetsuo Yajima | Key Animation |
| Visual Effects | Yuko Suzuki | Key Animation |
| Visual Effects | Koki Yanagihara | Key Animation |
| Visual Effects | Sayaka Yamai | Key Animation |
| Visual Effects | Akihito Aoki | Key Animation |
| Visual Effects | Toshiya Kouno | Key Animation |
| Visual Effects | Eri Kojima | Key Animation |
| Visual Effects | Akihiro Otake | Key Animation |
| Visual Effects | Koichi Taguchi | Key Animation |
| Visual Effects | Tomoko Yamada | Key Animation |
| Visual Effects | Nao Nakamoto | Key Animation |
| Visual Effects | Midori Sawaki | Key Animation |
| Visual Effects | Eri Kamiyama | Key Animation |
| Visual Effects | Koichiro Ueda | Key Animation |
| Visual Effects | Mari Tominaga | Key Animation |
| Visual Effects | Yuu Yoshiyama | Key Animation |
| Visual Effects | Satoru Iriyoshi | Key Animation |
| Visual Effects | Taki Yatagi | Key Animation |
| Visual Effects | Takuji Mogi | Key Animation |
| Visual Effects | Osamu Murata | Key Animation |
| Production | Yoshinobu Obida | Publicist |
| Visual Effects | Yuri Ichinose | Key Animation |
| Sound | Daisuke Jinbo | Sound Effects |
| Sound | Hiroaki Sano | Music Producer |
| Sound | Yuji Tagami | Sound Recordist |
| Sound | Masafumi Mima | Sound Director |
| Editing | Sanae Doyama | Assistant Editor |
| Art | Kim Hee-young | Background Designer |
| Art | Kuniharu Arai | Background Designer |
| Art | Ham Won-sik | Background Designer |
| Art | Yoon Sang-gun | Background Designer |
| Art | Mai Kanaya | Background Designer |
| Art | Narumi Kudo | Background Designer |
| Art | Misa Kitahara | Background Designer |
| Art | Norihiro Yoshikawa | Background Designer |
| Art | Lee Eun-ha | Background Designer |
| Art | Yuki Sonoda | Background Designer |
| Art | Lim Seon-ah | Background Designer |
| Art | Lee Hong-lim | Background Designer |
| Sound | Taiiku Okazaki | Theme Song Performance |
| Visual Effects | Alexandre Gomes | Animation |
| Directing | Tetsuo Yajima | Director |
| Writing | Satoshi Tajiri | Original Story |
| Visual Effects | Rin Ichikawa | Animation |
