M.A.C / Journey to the Center of the Earth

S1 E51: A terrible new Mechanical Animal Catcher has replaced the city dog catcher, and in no time at all has all the neighborhood dogs and cats gathered up and in the pound! All except Heathcliff, who skillfully defeats the machine and reprograms it - to capture dog catchers! / When Cleo's interest is aroused in the subject of Archaeology, the Catillac Cats decide to set out on an archaeologist expedition of their own. They travel through catacombs on a prehistoric adventure that offers Saber-toothed tigers, dinosaurs, and even Cleo and Riff Raff's cavecat ancestors!