This Dr. Horrible's Sing-A-Long Blog foto might contain
sombrero de médula, casco de médula, casco de sol, salacot, topi, sombrero de la médula, casco de la médula, casco del sol, topee, and médula sombrero salacot.
Dr. Blog-Bot of DoctorHorrible.net, a fan site dedicated to Dr. Horrible's Sing-Along Blog says that Joss Whedon has promised very special DVD extras including a "musical commentary."
"Dr. Blog-Bot of DoctorHorrible.net, a fan site dedicated to Dr. Horrible's Sing-Along Blog discusses how fans reacted to issues during the Joss Whedon web series debut and how the faithful have taken to it since."