Joss Whedon produced another free comic book on the Internet, "Serenity: The Other Half". As a response to the 2007–08 Writers Guild of America strike, Whedon directed, co-wrote and produced "Dr. Horrible's Sing-Along Blog". It tells the story of Dr. Horrible, an aspiring supervillain, who shares a love interest in a girl named Penny with his nemesis, Captain Hammer. To Whedon the miniseries was "a project of love", an accomplishment that from their excitement would be embellished with passion and "ridiculousness". His half brothers Zack and Jed and sister-in-law Maurissa Tancharoen share the other writing credits. Whedon said it was a "glorious
Joss Whedon "" also spanned three issues, and was written by Whedon and Brett Matthews. Whedon later co-wrote "The Shepherd's Tale" with his half brother Zack. As a guest director, he contributed two 2007 episodes of "The Office" ("Business School" and "Branch Wars") and a 2010 episode of "Glee" ("Dream On"). Denoting this period, Whedon has said, "I had free time, but I'm pretty sure I mean my career was on the skids". In collaboration with Fábio Moon, Whedon created the free webcomic titled "Sugarshock!", as part of the revival of "Dark Horse Presents", which was launched on Myspace. Whedon later executive