Cassiopeia is a 1996 Brazilian-American computer-animated motion capture science fiction film produced and released by NDR Filmes. It tells the story of an invasion of the planet Ateneia by intruders trying to steal their energy. The English dub stars the voices of Dan Aykroyd, Jonathan Freeman, Wayne Knight, Garry Marshall, John Goodman, Patrick Stewart, Wallace Shawn, and Linda Cardellini.
It was released in Brazil on April 1, 1996. The English-language adaptation, produced by Universal Feature Animation, Don Bluth Feature Animation and Valhalla Motion Pictures and distributed by Universal Pictures, was released in North America on September 1, 2000.