Kevin Parry took a year to complete this stop-motion animation at Sheridan College. Filmmaker Tim Burton called it “a cross between 2001 and Rudolph the Red-Nosed Reindeer.” And then he said it was “really cool.” -via reddit
The PC demo above is from 2006 and it's a 64k download (yes, you did read that right).
And if you think that's impressive, check out this one from 2010:
Loom is the work of specialist animators Polynoid. It took an entire year to construct this truly jaw dropping 5 1/2 minutes of excellence. If you’re a little squeamish and don’t like spiders, this one might give you nightmares.
"Space," it says, "is big. Really big. You just won't believe how vastly, hugely, mindbogglingly big it is. I mean, you may think it's a long way down the road to the chemist's, but that's just peanuts to space, listen...
(Quote from The Hitch Hiker's Guide To The Galaxy)