scary dragon in cave who later plays fetch like a dog

Pete, a young orphan, runs away to a Maine fishing town with his best friend a lovable, sometimes invisible dragon named Elliott! When they are taken in by a kind lighthouse keeper, Nora, and her father, Elliott's prank playing lands them in big trouble. Then, when crooked salesmen try to capture Elliott for their own gain, Pete must attempt a daring rescue.

For years, old wood carver Mr. Meacham has delighted local children with his tales of the fierce dragon that resides deep in the woods of the Pacific Northwest. To his daughter, Grace, who works as a forest ranger, these stories are little more than tall tales... until she meets Pete, a mysterious 10-year-old with no family and no home who claims to live in the woods with a giant, green dragon named Elliott. And from Pete's descriptions, Elliott seems remarkably similar to the dragon from Mr. Meacham's stories. With the help of Natalie, an 11-year-old girl whose father Jack owns the local lumber mill, Grace sets out to determine where Pete came from, where he belongs, and the truth about this dragon.

As Hiccup fulfills his dream of creating a peaceful dragon utopia, Toothless’ discovery of an untamed, elusive mate draws the Night Fury away. When danger mounts at home and Hiccup’s reign as village chief is tested, both dragon and rider must make impossible decisions to save their kind.

It's been ten years since the dragons moved to the Hidden World, and even though Toothless doesn't live in New Berk anymore, Hiccup continues the holiday traditions he once shared with his best friend. But the Vikings of New Berk were beginning to forget about their friendship with dragons. Hiccup, Astrid, and Gobber know just what to do to keep the dragons in the villagers' hearts. And across the sea, the dragons have a plan of their own...

Lukas, a young farmer whose family is killed by savage raiders in the countryside, sets out on an epic quest for revenge, forming an unlikely trio with a majestic dragon and a swashbuckling, sword-fighting mercenary, Darius.

When aspiring knight Gareth goes in search of a fallen comet rumored to contain gold, he is shocked to instead find the dragon Drago. After Drago saves Gareth's life the two become intricately bonded, and must work together to defeat an evil sorcerer and stop his reign of terror. Along the way, Gareth learns the true meaning of being a knight in this fantasy action-adventure for the ages.

While playing fetch, a boy’s dog disappears into an open sewer. The boy follows after him, only to learn they are not alone.

When a dragon fails to live up to the fearsome standards set for him, his family kicks him out. He embarks on a quest to find a new home but soon finds that life on the road is no place for a cowardly beast of legend. In a fantasy world full of elves, dwarves, and other mythical creatures, the frustrations of house-hunting reach a whole new level.

When Stombo plays fetch with his pooch, some wacky shenanigans pursue.