Belgian designer Kristof Luyckx recently made six short videos as interstitials between lectures at the Beyonderground graphic festival. They are covers of famous songs, as sung by a cast of bizarre, colorful and very calm monsters. You can see all six at his site, or on Vimeo: [more inside]
Animated Engines has been mentioned a couple times before, but I wanted to highlight the site entire, along with its sister site, 507 Mechanical Movements. Both sites have animated diagrams of a huge variety of engines and (relatively) simple machines, the latter based on an 1868 book by Henry T. Brown of the same name. While all of the engines are animated, the animated machines start on page 3, and go on from there. And every diagram leads to a page that explains the machine's function — step-by-step in the case of the engines.
40 Year Old 3D Computer Graphics, created by Edwin Catmull and Fred Parke (with some help from Bob Ingebretsen) in... wait for it... 1972!
All twenty four episodes of Roque Ballesteros's 2000-2001 noir action flash cartoon Joe Paradise, finally available after all these years on You Tube.