However, a that does exist:

The story follows Isabelle, a 14-year-old girl who develops an intense, obsessive infatuation with Georges, a local garage mechanic in his thirties.

Searching for "la petite sirene 1980 okru" leads you directly to user-uploaded versions of this rare film. Why Okru specifically?

| Critère | Disney 1989 | La Petite Sirène 1976/80 (Kachyňa) | La Petite Sirène (live action Disney 2023) | | :--- | :--- | :--- | :--- | | | Heureuse (mariage) | Tragique / Mystique (fille de l’air) | Heureuse (réécriture moderne) | | Chansons | Oui (Ménken) | Non (musique ambiante) | Oui | | Public cible | Enfants + familles | Adultes, adolescents sensibles | Tout public | | Disponibilité | Disney+ | OK.RU, YouTube (copies pirates), archive.org | Disney+ |