Giant Monsters was a two-hour television documentary special on Animal Planet hosted by Corwin. It dealt with the world's largest creatures of all time, including Tyrannosaurus rex, the saber-toothed cat Smilodon, the gigantic ground sloth Megatherium, the 40-foot crocodile Sarcosuchus, the Komodo dragon-like Megalania, the giant pterosaur Quetzalcoatlus, the eurypterid Megarachne (then thought to be a huge spider), to the giant squid Architeuthis dux.