The Making of Dr. Horrible's Sing-Along Blog
- Aasta: 2007
- Riik: United States of America
- Žanr: Documentary, Comedy
- Stuudio: EasyAction
- Märksõna: making of
- Direktor: Ethan Shaftel
- Osades: Felicia Day, Nathan Fillion, Neil Patrick Harris, Simon Helberg, Maurissa Tancharoen, Jed Whedon