Back at the Edge, Heather finds a note from Dagur telling the truth about their father, leaving Heather to mourn in silence. Hiccup and the dragon riders, thanks to Johann, band back together and track him down to a fog bank beyond their borders and discover a huge graveyard of ships filled with treasures that Dagur would use to build a new armada. They enforce their royalty rights immediately getting the other riders doing meaningless and annoying tasks. After finding her, the riders scour the beach and the wreck of the Reaper for clues on their whereabouts, but only find a new lens for the Dragon Eye that works with a Changewing's acid. Upset over his father's lack of faith of him, Snotlout tosses the axe in anger down on an island where it is found stuck to the magnetic hide of a new dragon — the Armorwing. After the Armorwing appears, Hiccup notices a Dragon Eye lens on its back. Though Hiccup feels guilty for driving Viggo to make such a move, Stoick expresses confidence that he and the others will always be able to stop him.
Despite Hiccup's orders, Astrid allows Garff to accompany them back to the Edge and to rescue Krogan's Deathsong. Heather refuses to abandon the baby dragon, convincing the riders to leave it on Melody Island to be cared for by the elder Death Song. Hiccup and Astrid realize their relationship compromises their mission and promise to remain professional as the other riders finally learn their secret cementing their relationship. Believing them to have been in league with the Hunters all along, Mala swears to kill Hiccup herself. Astrid, Ruffnut, and Heather infiltrate the island to save him but in the process learn of the Wingmaiden Tribe's purpose and Windshear's origins in that they raise infant Razorwhips to protect them from being eaten by the males. Race to the Edge boasts the same quality of animation as the How to Train your Dragon movies! One baby ends up choosing Ruffnut, whom Atali insists must become a Wingmaiden.
When Hiccup attempts to take out Heather, Astrid intervenes and tells him and the others about Heather's plan to learn about the hunters' real leader, Viggo Grimborn, whom everyone is afraid of. At the same time, Gobber appears and warns Hiccup of an unpleasant change in Stoick back on Berk that is currently driving everyone crazy. Meanwhile, Hiccup and Snotlout travel to the island of the Screaming Death where, with help from its mother, they create suits of armor made from its shed scales that make them impervious to the hunters' arrows. Sullivan John Tellegen February 16, 2018 2018-02-16 After learning his ancestors were dragon hunters who killed off the Dramillions, Fishlegs sets out to Dramillion Island with Astrid against Hiccups wishes to find and help protect the Dramillions from harm. Even Hiccup and Astrid's return does nothing to even the odds and things become worse when Fishlegs is separated from the group, though manages to return with help from his old friend Darkvarg. Hiccup tries to tame the imprisoned dragons while Toothless battles in the arena, soon pitted against the resident champion, the Triple Stryke. Upon landing there, they find the island has been taken over by a massive new dragon called the Catastrophic Quaken.
Despite their competition through the three challenges, Ruffnut decides to save Tuffnut instead of completing the final challenge, which Gruffnut reveals was the secret, fourth challenge: putting family above everything else. Just as Hiccup is left without any ideas on what to do, who to trust, or even how to handle his developing feelings for Astrid in the midst of growing danger, Viggo returns and offers the Dragon Eye as proof of his word and offers an equal alliance to bring Ryker down. Hiccup, Snotlout and Johann try to devise a plan when Fishlegs ends up held hostage by them. Help comes from an unlikely source when Dagur appears and guides Hiccup and Toothless to his hideout, where he explains that he has been living in exile since leaving the hunters and claims to be reformed. The riders and Gothi travel to Glacier Island to retrieve the tooth.
De Marco January 22, 2014 2014-01-22 1. Fishlegs believes he has found the perfect candidate, but it turns out to be home to Slitherwings, venomous serpentine dragons that poison Stormfly as she defends Garff to trigger strange wild behavior. So with the help of Fishlegs, Hiccup, and their dragons they discover that the dragon uses a paralyzing mist to attack and plan to drive the Flightmare away. Viggo reveals that Red Oleander is not harmful to dragons and that he had no intention of poisoning Toothless, having developed a deep respect for dragons after a Monstrous Nightmare saved him from the cave in. The riders, Heather in particular, refuse to listen and head in anyway, leaving Dagur to take charge and sacrifice himself to allow the riders to escape. Hiccup plans to use the Flightmare's mist to paralyze the hunters, but Viggo's advanced tactics allow him to escape with the Flightmare, Heather and Windshear as captives, leaving Hiccup to wonder about their dangerous new opponent. Seemingly accepting that Ruffnut's place is with the Riders, Wingnut accepts Atali as its new Wingmaiden and caretaker.
The leader then befriends the riders as the natural protector of them and the island. Though Ruffnut struggles with the tasks to care for her Razorwhip, named Wingnut, she only succeeds thanks to Tuffnut's secret assistance. Astrid apologizes to Hiccup for her anger and behavior and the pair reconcile. While Hiccup and the other teens openly welcome the newcomer, Astrid's jealousy turns to suspicion when she notices Heather is taking an unusual interest in the Book of Dragons. Using copied notes from the Dragon Eye, the riders locate a living Buffalord, but it refuses to leave the island where it lives. Astrid brings the other riders to a cave where the Snow Wraith is hibernating, while Heather's attempts to mislead Ryker fail and he finds the cave on his own. After hearing this, Astrid starts to think that Hiccup isn't interested in her anymore since they are not as publicly affectionate as Dagur and Mala and begins to question her relationship with him.
De Marco March 5, 2014 2014-03-05 1. Later, an injured Heather and Windshear return from Vanaheim with dire news. Intimidated by Viggo's intelligence, Hiccup decides to take a more cautious approach against him, and discovers upon investigating his ship that Viggo has challenged him to a game of strategy with Heather's life as the prize. The trio must now flee to release the Skrill from their control before the truce can be settled. Get ready for jaw-dropping twists and turns as Hiccup finally unearths the true leader of the Dragon Flyers, an unlikely ally makes a sacrifice for the Riders, and the fate of all dragon-kind is put at risk. The teens must drive the Screaming Death and the Whispering Death hatchlings away from the village before they destroy Berk. They discover Garff safe and unharmed, but decide that they must liberate the Deathsong and cut off Krogan's supply of Singetails.
The riders and Berserker siblings battle, and despite Savage capturing Heather, still manage to defeat him, and Dagur, admitting Gustav's apprenticeship was faked to relieve Berk of him for a while, honors Snotlout with a Berserker trophy, though he purposefully gets his name wrong. When the hunt begins, Fishlegs and Astrid combine Meatlug and Stormfly's fire to destroy the shackle that grounds the Dramillion. However, Mildew is also imprisoned as he's no longer of any use to Alvin now that he has Hiccup. Just as they are about to celebrate his graduation, Savage and a faction of Berserkers start a revolt and imprison Dagur and the dragons. Sullivan Jack Thomas February 16, 2018 2018-02-16 After a battle with the Flyers, the Riders discover remnants of Deathsong amber underneath a Singetail's wing, leading them to deduce that Krogan is using a Deathsong to lure and capture Singetails for his Flyers.
Fishlegs, on the other hand, eats all the berries. Using a Skrill as a diversion, Hiccup and Viggo enter their headquarters where Viggo betrays Hiccup to earn favor with Johann and Krogan once more. Discovering that heat helps speed the hibernation process, Fishlegs and the twins use their dragons to restore the Sentinels while the twins end up finding a Dragon Eye lens while ransacking Oswald's hut. Heather seems to instantly fit in with the riders, but Windshear, used to being Heather's sole protector, complicates things when she acts extremely hostile towards the other dragons as they help with the yearly Nadder Migration. Snotlout is determined to repay the debt he owes to the Queen for saving Hookfang's life to the point where he refuses help from the other riders. After Hiccup and Toothless escape, Mildew betrays the Dragon Riders, revealing that Mildew's imprisonment has also been a trick, allowing Alvin to train a Whispering Death. When Mildew is discovered responsible, he is forced to help Hiccup, Stoick, and Gobber find and capture a ferocious water dragon called the Scauldron in order to concoct an antidote before it is too late.