Yuu☆Yuu☆Hakusho: Mu Mu Hakusho - Nightmare Hakusho
Japanese title: 幽☆遊☆白書 夢夢白書
Type: OVA
Episodes: 4
Source: Manga
Genres: Comedy
Studios: Pierrot
Duration: 2 min per ep
Rating: PG-13 - Teens 13 or older

A four part OVA series including Yusuke's weird dreams.