The demonic space criminal Kain has escaped from prison and destroyed the Galaxy Police headquarters. To ensure that the Jurai will not stop him, Kain travels back to 1970 to eliminate Tenchi's mother before he is even born. Now, Tenchi and the gang must travel to the past to stop him before he ceases to exist.
Unfortunately the movie Tenchi Muyo! In Love is not yet available on HBO Max.
| Directing | Hiroshi Negishi | Director |
| Sound | Christopher Franke | Original Music Composer |
| Writing | Masaki Kajishima | Original Story |
| Art | Torao Arai | Art Direction |
| Visual Effects | Toshikazu Usami | Key Animation |
| Art | Shin Matsuo | Storyboard Artist |
| Writing | Hiroshi Negishi | Screenplay |
| Writing | Ryôe Tsukimura | Screenplay |
| Visual Effects | Hiroyuki Horiuchi | Supervising Animation Director |
| Visual Effects | Hiroyuki Horiuchi | Character Designer |
| Art | Masaki Kajishima | Original Series Design |
| Visual Effects | Takahiro Kishida | Animation Director |
| Visual Effects | Kazuya Kuroda | Animation Director |
| Visual Effects | Michiyo Suzuki | Animation Director |
| Visual Effects | Hiroyuki Horiuchi | Key Animation |
| Visual Effects | Takahiro Kishida | Key Animation |
| Visual Effects | Koji Watanabe | Key Animation |
| Visual Effects | Michio Ito | Key Animation |
| Visual Effects | Murakami Motokazu | Key Animation |
| Visual Effects | Mariko Aoki | Key Animation |
| Visual Effects | Koichi Taguchi | Key Animation |
| Visual Effects | Kenichi Shimizu | Key Animation |
| Visual Effects | Hiroyuki Shimizu | Key Animation |
| Visual Effects | Ayako Okamoto | Key Animation |
| Visual Effects | Yoshihiro Sugai | Key Animation |
| Visual Effects | Satoshi Shigeta | Key Animation |
| Visual Effects | Hisashi Ishii | Key Animation |
| Visual Effects | Yoshiaki Ito | Key Animation |
| Visual Effects | Akira Kano | Key Animation |
| Visual Effects | Masaya Tanaka | Key Animation |
| Visual Effects | Shiho Takeuchi | Key Animation |
| Visual Effects | Hiroyuki Uchida | Key Animation |
| Visual Effects | Noriyuki Kitanohara | Key Animation |
| Visual Effects | Fumie Muroi | Key Animation |
| Visual Effects | Masahiro Koyama | Key Animation |
| Visual Effects | Atsuo Tobe | Key Animation |
| Visual Effects | Kazunobu Hoshi | Key Animation |
| Visual Effects | Jo Tanaka | Key Animation |
| Visual Effects | Tsunenori Saito | Key Animation |
| Visual Effects | Takuya Saito | Key Animation |
| Visual Effects | Akira Sakuma | Key Animation |
| Visual Effects | Takashi Hashimoto | Key Animation |
| Visual Effects | Tomokazu Kogo | Key Animation |
| Visual Effects | Kouichi Hashimoto | Key Animation |
| Visual Effects | Hitoshi Haga | Key Animation |
| Visual Effects | Shinji Hashimoto | Key Animation |
| Visual Effects | Naoto Okada | Key Animation |
| Visual Effects | Nobuyuki Fukuchi | Key Animation |
| Visual Effects | Shigeyuki Suga | Key Animation |
| Visual Effects | Shin Matsuo | Key Animation |
| Visual Effects | Yukio Okano | Key Animation |
| Visual Effects | Hikaru Takanashi | Key Animation |
| Visual Effects | Keiichi Ishikura | Key Animation |
| Visual Effects | Fumio Sasaki | Key Animation |
| Visual Effects | Yasuhiro Takemoto | Key Animation |
| Visual Effects | Tatsuo Kamiuto | Key Animation |
| Visual Effects | Hiroyuki Morita | Key Animation |
| Visual Effects | Chuichi Iguchi | Key Animation |
| Visual Effects | Shuji Kawakami | Key Animation |
| Visual Effects | Teruo Handa | Key Animation |
| Visual Effects | Hiroshi Konno | Key Animation |
| Visual Effects | Takayuki Gorai | Key Animation |
| Visual Effects | Toshinari Yamashita | Key Animation |
