Digimon Adventure (PSP, English Sub): Part 108: Crossover Dungeon 7/8 (Time-Leaping Hunters)

In this episode, Tai, Agumon, and an injured Hackmon part ways with Mikey, who introduces them to Tagiru Akashi, a young Digimon Hunter from the Xros Wars universe. Tagiru joins the team, using Arresterdramon to support them. They encounter Gankuumon, who initially appears hostile but is revealed to be a friend and training partner. A fake Arresterdramon is defeated, but Gankuumon returns, and the group learns that he has summoned the leaders to confront a greater threat that could end multiple dimensions. The episode sets up a looming grand finale.