People from earth there ship breakdown and landed on a planet there was Dwarfs and moving small rock the got captured by some monsters and the Dwarfs helped them to Escape. It maybe was from the 80's

It might be this, although they weren't dwarf humans, but dwarf creatures...

The Ewok Adventure (1984) (TV) (http://www.imdb.com/title/tt0087225/)

Thank you very very much

You're welcome.