The stand-alone pilot OVA which was shown as part of the "Jump Super Anime Tour" of 1998. Shortly before the TV series, a summary is presented of the story of Gon who wants to become a hunter and the friends
Hunter x Hunter: Phantom Rouge
Yu Yu Hakusho: Eizou Hakusho
Yu Yu Hakusho: The Movie - Poltergeist Report
Gintama: The Very Final