Hiccup discovers that the town's water shortage has been caused by the Outcasts' plan to hide Whispering Death eggs under Berk, which soon hatch and tunnel underthe islan ...

Hookfang is losing his ability to catch on fire, and it's up to Snotlout, Hiccup and the others to find the lair of the Fireworm Queen, which may hold the only possible c ...

Hiccup must help Astrid face her fear of the terrifying Flightmare, a ghostly dragon that seemingly froze her uncle with fear, shaming her family name. With Fishlegs' hel ...

A Terrible Terror training competition leads to a heated rivalry between Fishlegs and Snotlout, allowing Alvin to kidnap Meatlug. The kids must use their newly trained Te ...

When dragons start fleeing to Dragon Island, the defenders must find out why the islands are disappearing. ...

Barf and Belch are Tuffnut's only guard when he gets caught in an old dragon trap in the forest. Things go from bad to worse when Tuffnut is faced with not only a large T ...

When the dragon riders discover a frozen Skrill, a lightning-powered dragon revered by the Berserkers, they scramble to get it off Berk. But when the Skrill is thawed and ...

Tuffnut goes undercover to help the defenders rescue a Skrill. ...

Snotlout becomes convinced he is dying, and leaves Hookfang to Gustav. But when he miraculously recovers, Snotlout takes his dragon back, and Gustav decides to get a drag ...

Hiccup and co. discover an injured Scauldron on the shores of Changewing Island. The kids must heal the dragon and return him safely to the ocean, before he falls victim ...