Lucy and Edmund, accompanied by their peevish cousin Eustace, sail to the land of Narnia where Eustace is temporarily transformed into a green dragon because of his selfish behavior and skepticism.

When Digory and Polly try to return the wicked witch Jadis to her own world, the magic gets mixed up and they all land in Narnia where they witness Aslan blessing the animals with human speech.

Peter, Susan, Edmund and Lucy return to Narnia.

Eustace is summoned back to the magical land of Narnia with his new friend Jill. Many years have passed since Eustace's last visit. King Caspian is old and frail. The mysterious disappearance years ago of his son, Prince Rilian, has remained unsolved. Aslan the lion charges the children to embark on a perilous journey through enchanted lands of giants and witches to find Rilian and bring him home.