Now chief and ruler of Berk alongside Astrid, Hiccup has created a gloriously chaotic dragon utopia. When the sudden appearance of female Light Fury coincides with the darkest threat their village has ever faced, Hiccup and Toothless must leave the only home they've known, and journey to a hidden world thought only to exist in myth. As their true destines are revealed, dragon and rider will fight together-to the very ends of the Earth-to protect everything...

Long ago, in the fantasy world of Kumandra, humans and dragons lived together in harmony. But when sinister monsters known as the Druun threatened the land, the dragons sacrificed themselves to save humanity. Now, 500 years later, those same monsters have returned and it's up to a lone warrior, Raya, to track down the last dragon in order to finally stop the Druun for good. However, along her journey, she'll learn that it'll take more than dragon...

Hiccup is a young Viking who defies convention when he befriends one of his deadliest foes, a ferocious dragon he calls Toothless. Together this unlikely pair must overcome many obstacles and one ultimate challenge in order to save both their worlds.

A charming thief and a band of unlikely adventurers undertake an epic heist to retrieve a lost relic, but things go dangerously awry when they run afoul of the wrong people in this hilarious and action-packed adventure.