The third and final chapter in the computer-animated film series finds the Viking island of Berk becoming overpopulated with dragons. Now, Berk's leader, Hiccup, his faithful dragon pal, Toothless, and the rest of the Berkians must locate the Hidden World, a land where the beasts will be safe. Their mission is made more perilous, however, by Grimmel the Grisly, a ruthless hunter using a female dragon to trap Toothless. Features the voices of Jay Baruchel, America Ferrera, Cate Blanchett, and F. Murray Abraham. 104 min. Widescreen; Soundtrack: English.