★ 4.7 ONA
Teinenpi Shoujo Haiji

Trailer
Characters & Japanese Voice Cast
Heidi
Main
VA: Naoki Fujiwara
Alm-Onji
Main
VA: Naoki Fujiwara
Klara Sesemann
Supporting
VA: Naoki Fujiwara
Joseph
Supporting
VA: Naoki Fujiwara
Peter
Supporting
VA: Naoki FujiwaraSeasons & Related Anime
Similar Anime
Frequently Asked Questions
How many episodes does Alps no Roujin Heidi no Ojii-san have?
Alps no Roujin Heidi no Ojii-san has 12 episodes.
Which studio made Alps no Roujin Heidi no Ojii-san?
Alps no Roujin Heidi no Ojii-san is produced by DLE.
Facts from AniList (also listed on MyAnimeList); streaming availability from JustWatch India. Last updated 3 November 2026, 3:17 AM IST. Episode times are Japan broadcast times shown in IST. Spotted a mistake? Write to [email protected].