After encountering dangers and obstacles in Mirkwood Forest, Thorin and Company have reached Lake-town and it is time for the hobbit Bilbo Baggins to fulfill his contract with the dwarves. The party must complete the journey to Lonely Mountain and burglar Baggins must seek out the Secret Door that will give them access to the hoard of the dragon Smaug. And, where has Gandalf got off to? And what is his secret business to the south?
Hiccup (Jay Baruchel) is a Norse teenager from the island of Berk, where fighting dragons is a way of life. His progressive views and weird sense of humor make him a misfit, despite the fact that his father (Gerard Butler) is chief of the clan. Tossed into dragon-fighting school, he endeavors to prove himself as a true Viking, but when he befriends an injured dragon he names Toothless, he has the chance to plot a new course for his people's future.
Eragon (Ed Speleers), a poor farm boy, lives in Alagaesia, a kingdom ruled by Galbatorix (John Malkovich), a powerful but evil monarch. One day, Eragon discovers a beautiful stone that he soon realizes is a dragon's egg. When the creature hatches, Eragon sets forth on a path that could restore the glory of his homeland's legendary Dragon Riders and perhaps overthrow Galbatorix.
A knight returning from the Crusades takes on a dragon and becomes a legend.
A boy and his dragon unite to fight evil in this fantasy. Bowen (Dennis Quaid), a Knight of The Old Code in Medieval times, is summoned by Aislinn the Queen (Julie Christie) to the bedside of her son, Einon, who is also Bowen's student. Einon has been wounded and is near death; with his heart about to give out, Bowen calls upon Draco (voice of Sean Connery), the mightiest dragon in the land, asking for a sliver of his mighty heart so that the boy might survive.
A brood of fire-breathing dragons emerges from the earth and begins setting fire to everything, establishing dominance over the planet.