I would love to do this production at my school for our Fine Arts week, but I’m not sure how to go about getting the legal rights. Can someone provide me with some helpful information on how to do so? Thanks!
Dr. Horrible’s Sing-Along Blog is a 2009 Emmy Award- winning musical tragicomedy short film produced EXCLUSIVELY FOR INTERNET)
That means you can not get the legal rights.
Sorry.
Maybe sometime in the future it will be released.