Join rats Roddy and Rita in the bustling world under London's streets and find out all about the ultimate rat race - if you dare! How do the daring duo escape being iced by the evil Le Frog? Visit Ratropolis with the help of a handy sewer map and explore the dangers from the world above. Get the lowdown on the lovable and downright horrible characters from DreamWorks and Aardman's exciting movie, where uppercrust meets underworld. It's a sewer load of fun!