The story of an ongoing battle deep in the forest between the forces of good and the forces of evil. When a teen age girl finds herself magically transported into this secret universe, she must band together with a rag-tag team of fun and whimsical characters in order to save their world, and also ours.

The Gruffalo: A cunning mouse goes for a walk in the forest and outwits a succession of predators. Mouse invents a frightening creature, The Gruffalo, to scare them away; but what happens when he comes face-to-face with his own creation? The Gruffalo's child: A little Gruffalo ignores her father's warnings and tiptoes out into the snow in search of the Big Bad Mouse.

The team's friend Jose loses his favorite toy at the beach. It's a shark on wheels...Shark Car! Jose's family is about to leave on a ferryboat, and the only way to return Shark Car in time is for Team Umizoomi to drive it.

Sheep and Bear are lost in the jungle and must hunt for letters to create a map. Next, Duck breaks a lamp, a lever and Frog's log. Will their friendship be broken too? Then, Fly and Duck dream of becoming firefighters and go in search of smoke in WordWorld, but can they discover what's really smoke to find the fire? And, when PIG gets a pot stuck on his face, Sheep takes over his cooking show?

"De los creadores de La Era de Hielo, llega ¡la más divertida y emocionante aventura del año! Después de vivir con su padre, un profesor chiflado, la adolescente Mary Katherine de pronto se encuentra transportada a un mundo mágico en el bosque. En poco tiempo, la reina Tara, un espíritu de la naturaleza, recluta a Mary Katherine para unirse a los hombres hoja en una aventura de vuelos altos para proteger al bosque de los malvados guerreros....