Hiccup and Astrid explore a fantastic land of dragons in the teaser trailer for DreamWorks Animation's How to Train Your Dragon: The Hidden World.

The sequel to 2014's How to Train Your Dragon 2, the film is billed as the conclusion of the beloved animated saga. Hiccup has achieved his dream of the world's first Viking-dragon utopia, only to find his home faced with its greatest threat yet, even as Toothless' pursuit of an elusive mate leads them to a hidden dragon world.

From DreamWorks Animation comes a surprising tale about growing up, finding the courage to face the unknown…and how nothing can ever train you to let go. What began as an unlikely friendship between an adolescent Viking and a fearsome Night Fury dragon has become an epic adventure spanning their lives. Welcome to the most astonishing chapter of one of the most beloved animated franchises in film history: How to Train Your Dragon: The Hidden World.

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 they’ve grown to treasure.

Written and directed by Dean DeBlois, How to Train Your Dragon: The Hidden World stars Jay Baruchel, Cate Blanchett, Craig Ferguson, America Ferrera, Jonah Hill, Kit Harington, Christopher Mintz-Plasse, T. J. Miller, Kristen Wiig and F. Murray Abraham.