After becoming an orphan, Heidi is forced to live with her grandfather Öhi, who lives in the Alps. She learns he's a very bitter man who only accepted by force to take her in. But Heidi's kindness may be able to open his heart. Together with the shepherd Peter and invalid Clara, she has lots of adventures. (Source: adapted from ANN)

 HiddenLeaf is the best site to watch Alps no Shoujo Heidi SUB and DUB in HD quality.