In 2008, Dr. Horrible's Sing-Along Blog became a beloved webseries. The show tells the story of Dr. Horrible (played by Neil Patrick Harris), an aspiring super-villain; Moist (Simon Helberg), Dr. Horrible's minion; Captain Hammer (Nathan Fillion), his nemesis; and Penny (Felicia Day), their shared love interest. Celebrate the 10th anniversary of this popular show by attending this lively discussion and celebration with creator Joss Whedon, Jed Whedon, Nathan Fillion, Felicia Day, and Maurissa Tancharoen!