Digimon Universe: App Monsters

The Christmas Disappeared!? The Calendar Thief Calendarmon! (1x13)

Air date: Dec 24, 2016

Christmas is at hand but both December 24th and 25th are erased from the world's digital calendars, threatening to ruin the festivities. While pursuing the Appmon responsible, Haru and Gatchmon ends up revealing their secret to Haru's friend Ai Kashiki, who becomes their ally.