The Ultimate Showdown

The Ultimate Showdown is a direct-to-video special set in The Marcus Team universe and is the third and final part in the trilogy The Robo-Marcus Trilogy. It then served as the sixth episode of the seventh season of the show. The special aired on the Fox network in the United States on May 2, 2010, following The Simpsons. Robin and Starfire's Death Star II tries to destroy all of the galaxy.