lightning bug descendant 1 million in the future is a quadraped with big eyes. the bug wears a spacesuit, and explores the cosmos in a bug - shaped spaceship. science fiction blockbuster movie bugs save the planet or the bug from saturn, silent running ( film ), 2 0 0 0 leagues under the sea ( 1 9 5 4 ), little mermaid ( 1 9 8 9 ) 