S1·E30 Beware of Phantom Thief Mouse Kid!!
Aired January 18, 1984
Synopsis
Hibari and Seiji meet Kaneda Kanesuke, the brother of Kōsaku's mother, Harue. Ibari is outraged on his behalf that his uncle is a no good thief and scares him off. He then falls off the roof trying to escape Hibari's proposal of marriage.