The most important science fiction trilogy ever made has nothing to do with Luke Skywalker. Throughout the 1970s and ’80s, one director released a trio of incredible movies that pushed the limits of the genre, and it all started with his best-known work: a far-out story of humans trapped as pets on a planet ruled by giant blue aliens — and their struggle to resist their oppressors and reclaim their freedom. Fantastic Planet is legendary French animator René Laloux’s magnum opus. The 1973 film is a kaleidoscope of beautiful trippy imagery, all wrapped up in a potent allegory that’s still...