A new web-only short series from Joss Whedon, creator of Buffy the Vampire Slayer and Firefly, has debuted. It is called Dr. Horrible's Sing-Along Blog, about an inept super villain. Here's the trailer:
The first episode is available here (US only):
Act One
The other two acts are coming this week. You can also buy it from iTunes, though it is full price even though it is only 13 minutes long.
I actually really enjoyed it - it's amusing and odd.