When Worlds Collide.Mikey Kudo, Angie Hinomoto, and Jeremy Tsurgi are forced by Bagramon to return to the Human World. Shoutmon is invisible to all the humans except to Mikey, Angie, and Jeremy. Mikey, Angie, and Jeremy learn that all the time spent in the Digital World was about half a day in the human world with no other human believing in them. Mikey later hears the voice who had granted him the red Fusion Loader. Mikey is unable to find the voice. The next day, Mikey meets up with Angie and Jeremy. Mikey tells Angie and Jeremy of his intention to go back to the Digital World to save their friends over there. The voice eventually responds to Mikey’s words. Mikey follows the voice to the alley where he and his friends first entered the Digital World. The voice is revealed as the DigiCard of Omnimon. After fully materializing Shoutmon and explaining the origin of the DigiCards, Omnimon reveals he can use what power he has remaining to return Mikey and Shoutmon to the Digital World. Angie and Jeremy must stay behind in the human world. Tactimon is trapped in the human world. Tactimon attacks the city as he uses the electricity to enlarge himself while fully bio emerging. Tactimon proceeds to chase after Mikey. Tactimon defeats the Darkdramon DigiCard before taking Angie and Jeremy hostage to force Mikey to hand over the red Fusion Loader. Angie and Jeremy’s passionate emotions become energy that enters Mikey's Fusion Loader. This allows Shoutmon to Digivolve into OmniShoutmon. OmniShoutmon manages to destroy Tactimon. Mikey and Shoutmon return to the Digital World. Angie and Jeremy hold on to the powerless Omnimon DigiCard. Angie and Jeremy promise Mikey to join his team in the Digital World once they find a way back to the Digital World. At the Bagra Army's reformatted base named Bagra Pandemonium, Nene Amano’s younger brother named Ewan Amano learns of Mikey's return to the Digital World. Ewan expresses joy to Axeknightmon that he will finally get to fight Mikey.