Here's an odd little live-action short from Jim Henson, circa 1966, called Time Piece. It's supposed to address "the effect of time keeping on us all," and it received an Oscar nod. Look closely and you'll see Henson all over this thing -- he wrote it, directed it and starred on it. [Neatorama]
For those who've always wondered what actually goes into the motion-capture process, here's a cool video called The Art of Motion Capture that shows you how it's all done.[Laughing Squid]
And here's a supercut of all the spells from the Harry Potter movies. [Flavorwire]