The Pixar Theory, Illustrated
Last year, Pixar superfan Jon Negroni blew the Internet's collective mind by detailing what he calls "The Pixar Theory": that every Pixar movie, starting with Toy Story, takes place in the same world, but at different times. The meta-narrative is pleasantly crazy, involving an escalating conflict between humans, animals, and machines. There are holes in this theory big enough to drive a Cars-sized truck through, but part of the fun is spotting them.
You can read Negroni's super-complex article or sit back and let this eight-minute video summary wash over you. Enjoy: