is a 1992 Japanese anime film, based on the Italian novel series by . Tottòi was dubbed into English and distributed by Celebrity Home Entertainment in 1993 under the title of The Secret of the Seal.
After his mother's death, Antonio (nicknamed in Sardinian language) and his father move to Sardinia, where Tottòi's father grew up as a boy. Tottòi's adventures begin when he sees a monk seal, despite the common belief that they had long since died out.