I remember a strange science-fiction cartoon movie I watched as a kid (80s).
It's about a boy in a starship who, after losing his parents in an accident in space, lands on an planet, where he's raised by the native aliens. When he grows up, he finds his starship and is helped by the board computer to remember his parents, after which he leaves the planet.
At some point after leaving the planet I think he also meets somebody in a kind of medieval armor.
It should be European (I think French or from East Europe), but it's neither Fantastic Planet (La Planète sauvage) nor The Masters of Time (Les maîtres du temps).
Some other info I can remember:
- I've seen it in Italy, on local TV broadcasters
- The protagonist had an animal, which was a scarf-like white creature
- Before leaving the planet, the protagonist found that the aliens who raised him were dying (I don't remember if they disappeared or became of stone)