At Christmas, the Smurfs and Gargamel cross paths with two children and a stranger out to kidnap them. Can the magic of Christmas prevail?

Mrs. Brisby, a widowed mouse, lives in a cinder block with her children on the Fitzgibbon farm. She is preparing to move her family out of the field they live in as plowing time approaches, however her son Timothy has fallen ill, and moving him could prove fatal. Mrs. Brisby visits The Great Owl, a wise creature who advises her to visit a mysterious group of rats who live beneath a rose bush on the farm. Upon visiting the rats, Brisby meets Nicodemus, the wise and mystical leader of the rats, and Justin, a friendly rat who immediately becomes attached to Mrs. Brisby. While there, she learns that her late husband, Mr. Jonathon Brisby, along with the rats, was a part of a series of experiments at a place known only as N.I.M.H. (revealed earlier in the story as the National Institute of Mental Health). The experiments performed on the mice and rats there boosted their intelligence, allowing...

In a robot world, a young idealistic inventor travels to the big city to join his inspiration's company, only to find himself opposing its sinister new management.