Dr. Horrible's Sing-Along Blog is a 2008 musical comedy-drama miniseries in three acts, produced exclusively for Internet distribution. Filmed and set in Los Angeles, the show tells the story of Dr. Horrible (played by Neil Patrick Harris), an aspiring supervillain; Captain Hammer (Nathan Fillion), his nemesis; and Penny (Felicia Day), their shared love interest. Wikipedia
Captain Hammer: It's curtains for you, Dr. Horrible. Lacy, gently wafting curtains.