Can You Help Answer This Question?

Q) Hi, can you help me out with this one please. I saw a cartoon in the late 80’s that I can’t get out of my head and would love to see it again, only I can’t remember what it was called and internet searches are appearing fruitless.

It was feature length, not a series, and American I think. It involved a young boy on a space ship with his father, I think maybe they were lost on a strange planet where the ship crashes and the father dies. The boy is left completely on his own but a strange old man talks to him through the ship’s radio, and keeps the boy company. The
stranger calls himself Mike (presumably for Microphone).

I can’t remember the rest of the plot but the big twist at the end was that the boy had been talking to a future version of himself, and was basically destined to stay on that planet, on his own, for the rest of his life.

Pretty haunting stuff when I watched it as a 9 year old. Anyway, if you could find out the name, I’d be most grateful!

A) ‘Fraid it doesn’t ring a bell at all (Good job these aren’t questions for an exam or professional certification!)… Can anyone help? If so, post a comment!