5 Stars, waiting for the sequel, very funny. This is one of the best movies ever, I plan on having an Underdog themed birthday party this year. Underdog, is the funniest movie ever, he pushes the couch and it is historical. Simon Barsinister, an ordinary beagle finds himself with extraordinary powers, and the ability to talk! Armed with a fetching superhero costume, Underdog vows to protect the beleaguered citizens of Capital City, particularly a beautiful spaniel named Polly Purebred. Underdog After an accident in the mysterious lab of mad scientist Dr.