When Geronimo's enemies the Pirate Cats try to travel to the 19th century, they accidentally end up in the Ice Age! When the cats meet their Neanderthal ancestors, they hear the legend of a giant Wooly Mammoth and come up with a plan to capture it and bring it to the present, making them famous for all time. Geronimo must travel to the Ice Age to stop the cats from changing history forever!
