Digimon: Digital Monsters

Season 2, Episode 9

Episode Title: The Emperor's New Home

Air Date: 2000-05-28

Overview:

Ken flees to the Digital World to expand his territory. He captures Agumon and forces him to Dark Digivolve, resulting in the uncontrollable SkullGreymon. SkullGreymon ultimately exhausts himself and de-digivolves back to Agumon, but the Emperor escapes with him.