Alongside his brothers Joss and Zack and his then fiancée Maurissa Tancharoen, he co-created and co-wrote the musical Dr. Horrible's Sing-Along Blog as well as playing almost every instrumental part.

It was the subject of a salute by The Paley Center for Media[1] and won an Emmy Award for Outstanding Special Class – Short-format Live-Action Entertainment Programs.

They then joined the staffs of Spartacus: Blood and Sand, co-created by former Mutant Enemy writer Steven S. DeKnight, and Drop Dead Diva.

In 2012, he released an EP with his wife Maurissa titled This Girl, which includes the track "Remains", written in 2009 for the TV show Dollhouse's season one finale, "Epitaph".

Assisting on the album are Felicia Day singing backing vocals on "Second Nature" and "Mr. Electric" and Sam Whedon playing guitar on "Dangerous".