Hiccup had discovered Mildew framed the dragons but has destroyed all evidence of it, therefore he must prove of their innocence in order to get them back. Meanwhile, Alvin the…
A Starfleet Admiral digs into the past of the Protostar crew. Meanwhile, the Diviner recalls his life’s mission.
Trapped in the Neutral Zone, the crew encounters a rogue geneticist who sheds light on Dal’s past.
As Gwyn struggles to find her role aboard the U.S.S. Protostar, Dal tests his leadership skills in the newly discovered holodeck.
A group of lawless teens, exiled on a mining colony outside Federation space, discover a derelict Starfleet ship. Dal must gather an unlikely crew for their newfound ship if they…
Optimus struggles to obtain the Allspark. Megatron figures out Optimus’ plan and orders an attack on the Autobots, who receive an unexpected assist.
Jetfire offers to help Optimus retrieve the Allspark. Bumblebee, Cog and Arcee go on a mission for energon; Wheeljack tries to get the Ark to fly.
Megatron receives a surprise visitor; Shockwave reveals how finding the mythical Allspark can help defeat the Autobots. The Decepticons lay a trap.
Snotlout is sent on an undercover mission to Viggo’s dragon auction as part of a plan to rescue the dragons and stop Viggo from getting richer.
Alvin reveals he trained the Screaming Death to attack Berk and destroy the island’s inhabitants and only Snotlout and Hookfang can save Berk before it’s too late. Meanwhile Hiccup gets…
Snotlout is expelled from the academy; Alvin returns to Berk to make amends.
The mysterious theft of metal objects all over Berk reveals the presence of marauding Smokebreaths. Hiccup and Toothless soon discover that these dragons are the work of Dagur, in a…
Tuffnut goes undercover to help the riders rescue a Skrill.
When the dragon riders discover a frozen Skrill, a lightning-powered dragon revered by the Berserkers, they scramble to get it off Berk.
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’ help, they discover…
The kids go on a dragon survival-training mission to Dragon Island, where they encounter Dagur, the Berserker Chief, who has become obsessed with hunting the Night Fury.
Certain that Alvin is planning an attack on Berk, Stoick institutes flight restrictions on the dragon academy. Hiccup, certain that Alvin will be using his newfound dragon-training knowledge to bolster…
Mildew has betrayed the Vikings of Berk and allowed Alvin the Treacherous to kidnap Hiccup and Toothless. Astrid and Stoick must rescue them from Outcast Island along with help from…
When Snotlout and the villagers mistake dragon eggs for gems that bring good fortune, Fishlegs, who is responsible for the eggs’ discovery, must take a stand against Snotlout and reunite…
Dagur the Deranged visits Berk to renew a peace treaty between the Berserkers and Berk, and the dragons are put into hiding to dispel rumours that Berk is training a…
Heather’s betrayal to Berk caused the Book of Dragons to fall into Alvin the Treacherous’ hands, and Heather’s imprisonment on Berk. In order to get the book back from Alvin,…
After Mildew poisons all the dragons on the island, he is forced to help Hiccup, Stoick, and Gobber find and capture the ferocious Scauldron in order to get the antidote.