Synopsis

Masaru, is a second year Junior High student, and is undefeated in battle, He meets the Digital Monster Agumon, who has escaped from DATS, a secret government organization. Despite terrible first impressions, the two become best friends by talking with their "fists". With others, Masaru and Agumon work to investigate various incidents involving the Digital World and Digital Monsters, to try… and get to the bottom of things.

The name of the series was later revealed in January 2006 with the character designs coming a month later.

It is the final Digimon series to be produced in 4:3.