Topo Gigio is a mouse who has come from a time 2,388,400 years in the future, and he holds the distinction of being the first mouse ever to fly through the Milky Way as an astronaut. Friendly and able to speak with humans, he makes friends among his neighbors, including a girl, her pet mouse, some cats and other mice. Built around Maria Perego's long-loved character, this 21-episode TV series from 1988 offers a string of lighthearted stories that mix adventure, comedy and science fiction.