After years of inactivity, the DigiDestined regroup with their Digimon to save their world, but have the years changed their characters too much?
Unfortunately the movie Digimon Adventure tri. Part 1: Reunion is not yet available on Disney Plus.
| Directing | Keitaro Motonaga | Director |
| Sound | Kōji Wada | Theme Song Performance |
| Writing | Yuko Kakihara | Writer |
| Sound | Sakabe Tsuyoshi | Original Music Composer |
| Art | Shunsuke Ōtake | Art Direction |
| Art | Shunsuke Ōtake | Title Designer |
| Editing | Takashi Sakurai | Editor |
| Production | Shuhei Arai | Producer |
| Writing | Yuko Kakihara | Series Composition |
| Visual Effects | Atsuya Uki | Character Designer |
| Visual Effects | Toshiyuki Komaru | Supervising Animation Director |
| Visual Effects | Haruhito Takada | Supervising Animation Director |
| Art | Goichi Iwahata | Prop Designer |
| Camera | Fumito Nanba | Director of Photography |
| Visual Effects | Sachiko Urushido | Color Designer |
| Sound | Yasunori Ebina | Sound Director |
| Sound | Shintaro Matsui | Music Producer |