The Making of Dr. Horrible's Sing-Along Blog
- Annu: 2007
- Paese: United States of America
- Genre: Documentary, Comedy
- Studio: EasyAction
- Parolla chjave: making of
- Direttore: Ethan Shaftel
- Cast: Felicia Day, Nathan Fillion, Neil Patrick Harris, Simon Helberg, Maurissa Tancharoen, Jed Whedon