Dr. Horrible’s Singe-Along Blog is a 3-episode video thingie written by Joss Whedon and featuring some familiar faces. Because there aren’t enough supervillain musicals on the internet.
The first two episodes are up, the 3rd and final one will be posted on the 19th of July (this Saturday), and all 3 episodes will only be available for free until Sunday (the 20th), so watch now!