Dr. Slump: Hoyoyo! Arale no Himitsu Dai Koukai da yo!!
Genres: Comedy, Sci-Fi
Type: Special, Episodes: 1
Aired: Sep 15, 1999
Studio: Toei Animation
Source: Manga
Rating: PG-13 - Teens 13 or older
Synopsis:
A special episode aired between episode 72 and 73 of Dr. Slump 2.