Dobermon was a messenger of the Digimon Sovereigns, who was sent to the Real World where he met Alice McCoy, the gothic-dressed granddaughter of Dr. Rob "Dolphin" McCoy. However while they were searching for the Tamers, they were attacked by some Bubbles of the D-Reaper but the Tamers saved them. Dobermon then delivered the message which was that the Tamers could now Bio-Merge in the Real World as he leapt and split into rays of digital light that hit Takato Matsuki, Rika Nonaka, and Henry Wong which allowed them and Guilmon, Renamon, and Terriermon to Bio-Merge to Gallantmon, Sakuyamon, and MegaGargomon. Alice felt sad about Dobermon sacrificing himself but a few data pieces of him appeared again and formed his head, which licked Alice's cheek. Later on, his voice was heard again as he and Alice left the scene.