Animalympics (1979)
To paraphrase "The Golden Compass"; "There are worlds where they have humans without animals (demons), worlds that have animals (demons) without humans, and much, much different than our own".
Animalympics is within a world that has animals, just no humans anywhere to be found. Interesting tidbit, a segment of this movie was a "Ice Hockey", "USA vs USSR" (and by a "Miracle" USA won), however, this movie came out the year BEFORE that game was played in "Reality" (with same -close enough- results to boot