Toys Have Arrived from the Demon World/We Played Doctor.The mark on Tatsumi's arm goes back to its smaller size, much to the chagrin of Hildegarde who destroys his games console. She brings a play room for Baby Beel to play in, but upon building it, it turns out to be a magical cage that both she and Tatsumi get stuck inside. The only way to get out is to have Baby Beel solve a puzzle toy, but he just ends up breaking it. Frustrated, Tatsumi utilizes his Zebel power to punch his way out, though it makes his mark grow again...