La Planete Sauvage aka Fantastic Planet (René Laloux, 1973)

Slaves and masters dominate the narrative of the faraway world of Ygam. Set around the lifespan of Ter, a minute human shaped Om slave, and pet, of the giant blue alien Draags. Escaping into the wilderness and with a devise used for intellectual advancement of the Draags, Ter finds refuge and support from fellow Om's and using the learning tool, he finds that knowledge is power and then sets to use the new found knowledge to revolt against the Draag masters...

http://www.imdb.com/title/tt0070544/

Director: René Laloux
Writers: Stefan Wul (novel), Roland Topor (adaptation), 1 more credit.
Stars: Barry Bostwick, Jennifer Drake, Eric Baugin

Cannes Film Festival 1973
Won - Special Award René Laloux
Nominated - Palme d'Or René Laloux

La Planete Sauvage 1080p (Fantastic Planet) [Audio: French - Subs: Spanish]