BEVERLY HILLS, Calif. (AP) -- Dr. Horrible is coming to television.
The CW network says the 2008 online hit "Dr. Horrible's Sing-Along Blog" will air as an hour-long special in October.
The musical stars Neil Patrick Harris ("How I Met Your Mother") as Billy, aka Dr. Horrible, an inept would-be villain trying for world domination. Nathan Fillion ("Castle") co-stars as Dr. Horrible's nemesis, Captain Hammer. Felicia Day plays Penny, Dr. Horrible's crush.
"Dr. Horrible's Sing-Along Blog" was directed and co-written by Joss Whedon ("The Avengers," "Buffy the Vampire Slayer"). It's scheduled to air on CW on Oct. 9.