When an explosion in the Norwegian mountains awakens an ancient troll, officials appoint a fearless paleontologist to stop it from wreaking deadly havoc.

Hiccup and friends accompany their mentor, Gobber, on a quest to kill the legendary Boneknapper Dragon.

In his homeland of Alagaesia, a farm boy happens upon a dragon's egg -- a discovery that leads him on a predestined journey where he realized he's the one person who can defend his home against ...

When their bus is crippled on the side of a deserted road, a team of high school athletes discover an opponent they cannot defeat – and may not survive.

Lewis, a brilliant young inventor, is keen on creating a time machine to find his mother, who abandoned him in an orphanage. Things take a turn when he meets Wilbur Robinson and his family.