Digimon Adventure 02: Revenge of Diaboromon is an anime film that premiered in spring 2001.

About the production: the story comes from an original script, the film runs about 30 minutes and its current status is "finished".

Its main genres are action, adventure, comedy, drama and sci-fi, with themes such as Primarily Child Cast, Artificial Intelligence, Virtual World and Kaiju.

On AniList, Digimon Adventure 02: Revenge of Diaboromon has an average score of 70%, a good score, and appears on 12,778 users' lists.

The franchise continues in or follows from: Digimon Adventure 02 and Digimon Adventure tri. 1: Saikai.

After the events of 02, everything is finally getting back to normal. That is, until a strangely familiar icon starts showing up on computer systems around the Japan. And not just computer systems... TVs, mobile phones, video games; anything with a screen with online capabilities. And this icon seems to be looking for somone... Yagami Taichi, and Ishida Yamato, who defeated it several years before. Yes, it turns out that this jellyfish digimon is in fact Diablomon, the Virus-type Digimon that was defeated in the second movie. But this time, he's learned to make himself physical, and is sending thousands of copies of himself into the real world. Koushiro and Ken devise a plan to rid the world of the virus once and for all, but it'll take the help of all the Destined, past and present. Once again, it's a race against time to put a stop to Diablomon's plot... but even that is cloaked in shadow. Will the revival of Omagamon be enough to stop Diablomon a second time, or will the millions of copies prove enough of a power boost to shrug off the "Digimon Champion of Justice"? Of course, he hasn't seen the new breed of Chosen, nor the new techniques. It's a fight to the finish, with the destruction of Tokyo resting on the line. (Source: AniDB)

Official synopsis from AniList.