Dr. Slump: Hoyoyo! Arale no Himitsu Dai Koukai da yo!!
Japanese title: ドクタースランプ ほよよ！アラレの秘密大公開だよ！！
Type: Special
Episodes: 1
Source: Manga
Genres: Comedy, Sci-Fi
Studios: Toei Animation
Duration: 24 min
Rating: PG-13 - Teens 13 or older

A special episode aired between episode 72 and 73 of Dr. Slump 2.