Weasel and I.R. are in search of a legend known as Big Butt, which later happens to be The Red Guy/It's the Middle Ages, and Weasel and I.R. are looking for a dragon to slay/Series finale, based on the novel I Am Legend. Weasel, I.R. and The Red Guy are believed to be the last beings on Earth, until they discover that everybody has been watching their show... where it turns out that Baboon is really the star!