Also known as
- English
- Dr. Slump and Arale-chan: Hoyoyo! The Treasure of Nanaba Castle
- Romaji
- Dr. Slump Movie 04: Arale-chan Hoyoyo! Nanaba Shiro no Hihou
- Japanese
- Ｄｒ．スランプ アラレちゃん ほよよ！ナナバ城の秘宝
- Synonyms
- Dr. Slump & Arale-chan HoYoYo! The Treasure of Nanaba CastleDr. Slump & Arale-chan The Secret of Nanaba CastleDr. Slump Movie 4Dr. Slump Movie 4: Arale-chan Hoyoyo! Nanaba Shiro no HihouDr. Slump Movie 4: The Secret of Nanaba Castle