A young brontosaurus and his friends go into the mysterious beyond and find themselves in big trouble when they find an egg that turns out to be a Sharptooth.

There are reports of a fierce mouse-eating monster terrorizing Manhattan, and Fievel is having bad dreams about it.

The adventure begins when Tom and Jerry happen upon a mysterious glowing egg. Little do they know, this egg was stolen from a very large fire breathing dragon. In short time, baby Puffy hatches from his egg and takes Tom as his mommy.

Crackpot inventor Moranis's machine manages to shrink him and hiw wife along with their best friends, leaving their collective kids on their own.

Fievel discovers a mysterious treasure map, and a secret world of Native-American rats under the City of New York.

When heavy rains create a mysterious "new water", Littlefoot sets off to explore the Great Valley. He quickly becomes friends with Mo, a prank-playing dolphin-like creature who can't find his way back to the Big Water. Littlefoot and his pals come to the rescue and prove the value of courage, friendship, and diversity.

Littlefoot has a vivid dream in which he imagines travelling to a place where there are many of his kind, and when he tells the story to his grandparents, they take it as a sign to set out and find this mysterious place. After days of travel they do indeed discover a new world where longneck dinosaurs are plentiful, including one they never expected to see -- Bron, Littlefoot's father, who went missing before he was born. While Littlefoot is thrilled...

Tom and Jerry team up with Sherlock Holmes to solve a mystery involving some sinister felines.