Universal Cartoon Studios.

In their search for a new home after a cloud of "Swarming Leaf Gobblers" devours the plants in the Great Valley, Littlefoot, Cera, Spike, Ducky and Petrie cross the Big Water to a mysterious island where they become reacquainted with Chomper, a young Sharptooth.

Littlefoot spoils Nibbling Day and blames it on a herd of tiny mussauruses. The adults get angry and set off an avalanche that opens a tunnel and allows two velociraptors into the valley. Everyone must work together to chase them off.

Even though danger seems close at hand, Littlefoot learns, together with family and friends, that when you work together, you ca move mountains.

"Littlefoot, Cera, Spike, Ducky and Petrie are back in an enchanting new, feature-length adventure from the beloved The Land Before Time® series! Littlefoot has witnessed an amazing sight: a 'stone of cold fire' that fell through the night sky and landed somewhere in the Smoking Mountains. But Littlefoot is the only one in the Great Valley who saw the stone and he can't find anyone who believes him. Petrie's long-lost uncle, Pterano, offers encouragement,...

On the edge of the Great Valley stands mysterious Saurus Rock and twin Threehorns, Dinah and Dana, have run away to find it. Could the mysterious Longneck named Doc be the famous Lone Dinosaur? To find out, Littlefoot and friends must cross the Great Valley and face a dangerous Sharptooth themselves! Along the way they learn about change, acceptance and responsibility.

When an airplane pilot claims he can deliver mail and supplies faster than the sled-dog team, Balto and his pals rise to the challenge. What begins as a competition ends up as a search for the airplane pilot.

Littlefoot spoils Nibbling Day and blames it on a herd of tiny mussauruses. The adults get angry and set off an avalanche that opens a tunnel and allows two velociraptors into the valley. Everyone must work together to chase them off.