The official YouTube channel of PlayStation Japan began streaming a trailer on Thursday for Digimon Adventure tri. Kyōsei (Union or Symbiosis), the fifth film in the Digimon Adventure tri. film project. The video reveals that the film will be available for streaming in Japan through the PLAYSTATION Network on the same day the movie opens in Japanese theaters on September 30.

(Highlight the following white text to read spoilers) [The countdown begins to the destruction of the real world at the hands of the out-of-control Meicoomon. Meicoomon's partner Meiko Mochizuki worries that this Digimon is one that should never have been created. Omegamon, Hackmon's ultimate form Jesmon, Alphamon, and the Digimon apparently mutated by Meicoomon face off in battle.]

The film will open on September 30 in Japan and will screen for three weeks. Theaters screening the film will also sell a limited edition Blu-ray Disc, and the standard Blu-ray Disc and DVD will ship on November 2.

Digimon Adventure tri.- Chapter 1: Reunion opened in November 2015, Digimon Adventure tri.- Chapter 2: Determination opened in March 2016, Digimon Adventure tri.- Chapter 3: Confession opened in September 2016, and Digimon Adventure tri.- Chapter 4: Loss opened on February 25.

Crunchyroll began streaming all four films on the same day that they premiered in Japan.

The project, which celebrates the 15th anniversary of Digimon Adventure (the first entry in the television anime series), will have a total of six films. The first film received a theatrical release in the United States in September 2016 with an English dub that features new and returning cast members.

Shout! Factory has licensed the first three films for home video. The company released the second film on DVD and Blu-ray Disc on August 15.

A stage play based on the films ran in Japan in August. The stage play tells a side story centered on the eight DigiDestined.