Yumemiru Topo Gigio
Japanese title: 夢見るトッポ・ジージョ
Type: TV
Episodes: 13
Premiered: fall 1988
Source: Unknown
Genres: Adventure, Comedy
Studios: Nippon Animation
Duration: 26 min per ep
Rating: PG - Children

Created by Maria Perego, Topo Gigio has been a beloved character for more than two decades. This animated TV series features numerous exciting stories and introduces many friends.

Topo Gigio is the first mouse astronaut to travel the Milky Way. Can a mouse become an astronaut? Well, Topo Gigio has come from a year 2,388,400 years ahead in the future. He is friendly and can talk with humans. He makes friends with his neighbors including a girl, her pet mouse, cats, and other mice.

(Source: AniDB)