Home/Discover/Dangerous Jiisan JaDangerous Jiisan Jaでんぢゃらすじーさん邪Dangerous Jiisan Ja2012 · OVA · 2 episodes▶ Watch episode 1+ My list OverviewEpisodesThe storyOVATwo OVAs bundled with a special-edition issues of Coro Coro Comics.ComedyKidsEpisodesChoose your next chapterEpisode titles follow your spoiler shield.Edit watched progress1Episode 130 min▶2Episode 230 min▶CharactersMeet the castGrandsonDangerous GrandpaMore in this worldRelated animeZettai Zetsumei Dangerous Jiisan (2004)TV · 2004Zettai Zetsumei Dangerous Jiisan (2005)TV · 2005Wazaguu! vs. Dangerous Jiisan Ja: Houfukuzettou! Anime QuizOVA · 2012