When their cousin is stung by a cavefly and falls into a deep sleep, Geronimo and Thea set out in search of the rare pink stinkrose, whose petals are thought to provide a cure.

A guinea pig tells her child the true story of giant guinea pigs that lived in Venezuela about eight million years ago.

Toby the bison makes new friends while exploring the Ice Age Tundra.

En la Era Glacial hace demasiado frío. Annie y Jack están en traje de baño. Los niños casi se congelan hasta los huesos cuando la casa del árbol los lleva a la época de los animales prehistóricos y del hombre de las cavernas. Sin embargo, nada puede impedir que Annie y Jack emprendan una nueva y apasionante aventura, ni siquiera ¡un tigre dientes de sable! The magic tree house transports Jack and Annie on a mission to the Ice Age where...

Surprises are in store as Stink excavates his backyard in search of a relic from an extinct beast -- and Judy lends him a little sleight of hand. Mega-chomp! Stink wants to make the find of the century. He's on a dig, dig, digging quest in his backyard to find a tooth from a saber-toothed cat, otherwise known as a Smilodon. Why not? Two kids in Michigan found a mastodon bone in a backyard stream, and a girl in Great Britain found a pterosaur bone....