Nathan Filion and Neil Patrick Harris will star in Doctor Horrible's Sing-Along Blog, a superhero musical blog from the mind of Buffy the Vampire Slayer creator Joss Whedon. Self-described as something that Whedon and his brother came up with during the writers' strike, it will be, presumably, released in several parts online.
The plot has to do with a 'low-rent superhero' and the girl from the local laundromat that he's into. Also promised is a cast of dozens. Given Whedon's success with the musical episode of Buffy, which still airs at movie theaters across the country as a midnight cult hit, we are pretty encouraged that this will be a fun time. Especially given NPH's involvement. Damn, Doogie can sing.
Superheroflix.com: Joss Whedon Developing a Live-Action Superhero Musical for the Web