They were first released online in July 2008 as individual episodes, with two-day intervals between each release. “Dr. Horrible” was released as a special one-shot comic, detailing blog Dr. Horrible’s origin story, with art by Joëlle Jones. Act I premiered on Tuesday, July 15, 2008 – Act II followed two days later on July 17, and Act III surfaced on July 19.

The episodes were taken offline on July 20 as planned, but became available again on July 28. The show was later restricted to the United States only. At last, Horrible aims the lethal weapon at the frozen form of Captain Hammer, but hesitates. At that moment the Freeze Ray unexpectedly fails, and a suddenly revived Hammer punches Horrible across the room. Hammer then picks up the Death Ray, turns it on Horrible, and triumphantly completes the final note of his prior song.

The Musical; commentary by the cast and creators; behind-the-scenes featurettes on the making of the movie and the music; the top 10 Evil League of Evil application videos from fans; and four easter eggs. The song is cut short by his “evil moisture buddy” Moist, who brings up a letter from Bad Horse, the leader of the Evil League of Evil. The letter informs Dr. Horrible that his application for entry into the League will be evaluated, and that they will be watching for his next heinous crime (“Bad Horse Chorus”). Horrible’s Sing-Along Blog is a 2008 musical tragicomedy miniseries in three acts, produced exclusively for Internet distribution.

In case you’ve been living on Mars and haven’t heard about it, Dr. Horrible’s Sing-Along Blog is a 45 minute, online mini-movie put out by Joss Whedon . The film follows the exploits of the evil Dr. Horrible , and his dreams to win over the beautiful Penny who dates the hero Captain Hammer . “Dr. Horrible” was released a special one-shot comic, detailing Dr. Horrible’s origin story, with art by Joëlle Jones. The production of the DVD included a contest, announced at Comic-Con, in which fans submitted a three-minute video explaining why they should be inducted into the Evil League of Evil.

The DVD and Blu-ray versions of Dr. Horrible include as an extra Commentary! The Musical, a commentary track comprising entirely new songs performed by the cast and crew, thus creating a whole other musical on its own. The actors and writers sing various songs both as solos and with the entire company, playing versions of themselves.