When Hiccup discovers Toothless isn't the only Night Fury, he must seek "The Hidden World", a secret Dragon Utopia before a hired tyrant named Grimmel finds it first.

When Hiccup and Toothless discover an ice cave that is home to hundreds of new wild dragons and the mysterious Dragon Rider, the two friends find themselves at the center of a battle to protect the peace.

A hapless young Viking who aspires to hunt dragons becomes the unlikely friend of a young dragon himself, and learns there may be more to the creatures than he assumed.

When Linda tries to escape her abusive relationship, she discovers unexpected resources that she could never have imagined.

Four friends are kidnapped by a madman and locked in a house with six other people. Each of the captives has to endure life-threatening torture to fill a device attached to their heads or they will be trapped inside forever.