Dragon Eye of the Beholder, Part 1
During their search for the villainous Dagur the Deranged, who has escaped from prison, Hiccup, Toothless and the dragon riders discover a mysterious object, which contains not just secrets … but their destiny.
Dragon Eye of the Beholder, Part 2
Hiccup, Toothless and the dragon riders journey to Glacier Island in search of the Snow Wraith, a fearsome new dragon that holds the key to the Dragon Eye’s mysteries.
The dragon riders discover a lush island that turns out to be the home of the Deathsong, a massive, never-before-seen dragon that threatens to trap them forever.
When Darkness Falls
On an island that will make the perfect outpost, the dragon riders discover its indigenous residents are a mysterious new breed of dragon.
Big Man on Berk
Thinking he’s allergic to his best friend Meatlug, Fishlegs gets hypnotized – and wakes up transformed into an invincible warrior known as Thor Bonecrusher.
Gone Gustav Gone
When Dagur the Deranged captures young Gustav, it’s up to Hiccup, Toothless and the dragon riders to get him back.
Reign of Fireworms
Fireworm dragons invade Dragon’s Edge, while Ruffnut and Tuffnut discover that they have an unexpected connection to the island.
As a Rumblehorn dragon wreaks havoc on Dragon’s Edge, Hiccup seeks the help of Stoick – who forms an unexpected bond with the rampaging beast.
Quake, Rattle and Roll
Fishlegs and Meatlug liberate the Gronckles from a menacing new dragon that has encroached on their ancestral home, Dark Deep.
Have Dragon Will Travel, Part 1
The dragon riders are surprised to discover who is behind recent attacks on nearby ships – and to learn exactly what the ships are.
Have Dragon Will Travel, Part 2
A familiar face joins ranks with the dragon riders, but it’s not an easy alliance, especially when Hiccup uncovers a shocking secret about the new member’s true identity.
The Next Big Sting
Hiccup, Toothless and the dragon riders rescue a wounded Speed Stinger and take it back to Dragon’s Edge, unaware of the dangers that follow.
When Hookfang is drawn to a female Monstrous Nightmare, Snotlout tries to break them up before he loses his best friend forever.
After Dagur attacks Berk, Astrid agrees to train a group of back up Dragon Riders. Little do they know they will soon be pressed into service.
Night of the Hunters: Part 1
When Stormfly is captured by Dragon Hunters, Hiccup and the riders have to find her and rescue her.
Night of the Hunters: Part 2
Hiccup and Snotlout race to rescue the other riders from the Dragon Hunters.
Bad Moon Rising
When Tuffnut is bitten by a strange creature, he believes he will turn into the legendary Lycanwing Dragon when the moon is full. Hiccup and the other riders must save him before Tuffnut goes off to live amongst the dragons forever.
Snotlout Gets the Axe
When Snotlout and Astrid are given the task of transporting a ceremonial battle axe to a wedding between their two families, they must put aside their differences when the axe is taken by a new type of dragon – the Armorwing.
The Zippleback Experience
When Hiccup saves the Zippleback’s life, the grateful dragon abandons Ruff and Tuff and follows Hiccup and Toothless around. Ruff and Tuff try to win their dragon back – with disastrous results.
Snow Way Out
Hiccup and the Riders must stop Ryker from creating a key to the Dragon Eye, which means a return trip to Glacier Island, this time to protect the Snow Wraith.
Edge of Disaster: Part 1
When a distress call from Trader Johann arrives at Dragon’s Edge, Hiccup, Snotlout, and Fishlegs go to investigate leaving Astrid, Ruff and Tuff to keep watch on the Edge. When Ruff is captured by Dragon Hunters, it’s up to Astrid and Tuff to defend the Edge from a dragon hunter army.
Edge of Disaster: Part 2
Tuff and Astrid continue to defend Dragon’s Edge, while Hiccup, Snotlout and Johann discover an island full of wounded dragons that have been hunted and hurt by the Dragon Hunters.
Shock and Awe
When a new tidal class dragon, the Sea Shocker, is found in Edge Cove, the riders must help it escape a group of hungry Scauldrons and reunite it with its migrating pod.
A Time to Skrill
The Skrill returns with a vendetta against Hiccup and Toothless. Hiccup and the Riders must choose a new course of action to stop the rampaging dragon.
Maces and Talons: Part 1
The Riders learn from Heather that the Dragon Hunters are after the Flightmare. The Rides race to free the dragon. But could this be part of a larger scheme?
Maces and Talons: Part 2
Viggo has captured Heather and the Flightmare, and now Hiccup must outthink this dangerous new opponent.
Enemy of my Enemy
While trying to take care of unfinished business, Hiccup and Toothless are lured into a trap. An unlikely rescuer comes to their aid.
A wounded Fireworm seeks the Dragon Riders' help in protecting a precious treasure trove against an unfamiliar creature with strange and slimy powers.
Follow the Leader
When things get out of hand while Fishlegs is left in charge, he seizes another chance to prove he has what it takes to be a leader.
Turn and Burn
Hiccup's and Snoutlout's fathers put aside their differences and work with their sons as a team to defend a storehouse against an unusual invader.
After Astrid makes an alarming discovery, her life comes to depend on a dragon everyone thought was extinct. Her pals race against time to find it.
A Grim Retreat
Hiccup reluctantly allows the Dragon Riders to go to a deserted island for a much-needed vacation, but the getaway has an odd effect on their dragons.
To Heather or Not to Heather
After learning that Fishlegs has been secretly communicating with Heather, the gang invites her to the Edge to convince her to join the Dragon Riders.
When Hiccup and Toothless accidentally land in a Dragon Hunter trap, they find themselves the newest contestants in a gladiator-style arena.
Hiccup and his team rescue a dragon egg and bring it back to the Edge, where it hatches to reveal an ear-splitting surprise!
Between a Rock and a Hard Place
The gang investigates why Viggo's men are mysteriously shipping marble blocks from a quarry. Next, they try to save two dragons being used as slaves.
Family on the Edge
When Dagur unexpectedly shows up, Hiccup scrambles to prevent him and Heather from discovering each other's presence.
Last Auction Heroes
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.
Defenders of the Wing Pt.1
When Viggo offers Hiccup a truce, the wary Dragon Riders investigate and find a potential ally in their fight against the Dragon Hunters.
Defenders of the Wing Pt. 2
Hiccup, Mala, Astrid, Fishlegs, and Snotlout go searching for the now captured Eruptodon, but little do they know that Viggo has a sinister plan.
Gruff Around the Edges
When a distant cousin of the Twins named Gruffnut arrives on Dragon's Edge, Tuffnut tries to impress him, but Gruffnut may not be the hero he seems.
When Viggo puts a bounty on Hiccup's head, every Dragon Hunter in the world is after capturing Hiccup, so Toothless and the Riders must rescue him.
When Snotlout screws up a mission, he must learn to be a leader and earn the trust of the other riders.
When Mala and the Defenders of the Wing find a mysterious stranger who looks suspiciously like Dagur, Hiccup and Heather go to investigate.
Viggo gets angry at the dragon riders continually interfering with his business and uses a deep sea dragon, the Submaripper, to control Berk's trade
The Longest Day
During the week of the Midnight Sun where the sun doesn't set for a week, Hiccup must deal with sleep deprivation and a dangerous new dragon
Hiccup and the Riders, with help from Dagur hatch a plan to steal Berk's gold back
Out of the Frying Pan
When the Eruptodon can't take its egg into the Great Volcano, Hiccup and Fishlegs must go into the dangerous volcano with the egg before it's too late
When the Twins journey to the Northern Markets to fix their prized mace, they end up stumbling onto a secret project by Viggo and the Dragon Hunters.
A huge storm hits Dragon's Edge causing the Dragons to spook and run off but when Astrid is blinded, Hiccup must lead her to Stormfly.
Shell Shocked, Pt. 1
Hiccup doesn't know who to trust when Viggo and Ryker each tell him that the other has gone rogue, and is sidetracked when a new dragon attacks.
Shell Shocked, Pt. 2
An extremely powerful new dragon attacks Dragon's Edge, and Hiccup makes a dangerous alliance while the fate of the Dragon Eye hangs in the balance.
Living on the Edge
With their enemies defeated and the volcano erupting on Dragon’s Edge, the riders decide to return to Berk but Hiccup discovers that the Dragon Hunters are still out there
When Hiccup is summoned to the Northern Markets to look into a curse that causes people to disappear, he is sucked down into a cavern of the fearsome Sandbuster
Something Rotten on Berserker Island
When the riders receive an invitation to Berserker Island for Gustav’s apprenticeship graduation, they arrive to find Savage trying to take over Dagur’s throne
When Snoutlout crashes on a mysterious island he comes face-to-face with the Wing Maidens and must rely on Astrid, Heather, and Ruffnut to rescue him
A Matter of Perspective
The Riders follow the aging Eruptodon to the sacred Dragon Graveyard, but soon find themselves trapped by the fearsome Sentinel dragons who guard the graveyard
Return of Thor Bonecrusher
When Thor Bonecrusher is needed to rescue hostages taken by the Bandits, Snoutlout tries to help but accidentally brings to life Thor’s evil twin – Anti-Thor – who sides with the Bandits
Dawn of Destruction
When Hiccup and Astrid go away for a weekend, the Edge is attacked by Krogan, Viggo, and their new Dragon Flyers
The Wings of War, Part 1
Hiccup and the riders are on the run from the Flyers, but when they return to Berk, where Stoick is preparing for war, Hiccup is torn between his desire to get the Edge back and his unwillingness to fire on dragons
The Wings of War, Part 2
When Stoick decides to take the battle on the Dragon Flyers to the Edge, the Riders must figure out how to trap the Flyers and take back the Edge
No Dragon Left Behind
After being ambushed by aggressive Slitherwing dragons on a new island, the Riders think Stormfly has been poisoned and race to get an antidote
Tuff fakes his own death to make room for Throk, but when Ruff tries to train the Changewing that she thinks ate Tuff, a flock of angry Changewings come for the dragon
Searching for Oswald and Chicken
On a search for Dagur's dad, Hiccup and Dagur encounter vicious Grim Gnashers, and Tuff’s search for a missing Chicken leads him to discover she has a second family
Sins of the Past
After Heather is lured to the Northern Markets as a trap, Hiccup flies to find her, but when he arrives too late, Windshear is captured by Krogan
In Plain Sight
While hunting for gemstones needed to complete the Dragon Eye 2, Hiccup learns an old friend isn't who he seems. Dagur faces a bully from his past.
No Bark, All Bite
Stoick and Hiccup are led on a wild goose chase in search of willow bark for medicine, leaving Berk vulnerable to an enemy attack.
Chain of Command
During a trip to Wingmaiden Island to find a Dragon Eye lens, Snotlout challenges Hiccup’s leadership. On another island, an unlikely romance blooms.
Loyal Order of Ingerman
Upset after learning his ancestors were Hunters who killed off Dramillions, Fishlegs sets out to see if he can find any of the dragon species left.
A Gruff Separation
Hiccup grows wary when Gruffnut arrives on the twins' 19th birthday to administer a Thorston coming-of-age ritual involving three dangerous challenges.
Mi Amore Wing
An announcement leads Astrid to question her relationship with Hiccup. The Riders discover an Armorwing that has a Dragon Eye lens welded to its body.
While visiting Wingmaiden Island, a baby Razorwhip bonds with Ruffnut, who considers leaving the Riders to become a Wingmaiden.
When the Flyers try to kill him because he's no longer useful, Viggo forces Hiccup to help him get revenge by stealing their Dragon Eye and lenses.
After learning Krogan is using a Deathsong to lure and subdue Singetails for his growing army of Flyers, the Riders set out to rescue the dragon.
While on night patrol, Stoick is ambushed by the Flyers and gravely injured, leaving Hiccup torn between his duties as a son and as the Riders' leader.
Guardians of Vanaheim
After learning several Flyers followed Heather to Vanaheim, the Riders must stop them from reporting the sacred island's location to their leader.
King of Dragons, Part 1
With the fifth lens in place, the Dragon Eye 2 unveils the apparent King of Dragons, and Fishlegs immediately knows what it is and where to find it.
King of Dragons, Part 2
The Riders race to the home of the true King of Dragons. But the Flyers are already there, and they soon come face to face with the legendary creature.
Heather nursed Windshear back to health and trained her to fly again. They have an unbreakable bond, having both experienced - and risen above - tragedy.
Hiccup is an unlikely hero, inventor and explorer who singlehandedly ushers in peace between dragons and Vikings.
Toothless, a Night Fury, is Hiccup's best friend, an adorable stealth bomber who will stop at nothing to protect him.
Tomboy tough and energetic, Astrid is an outspoken beauty who has a strong sense of duty.
Fishlegs is the resident dragon "fanboy." He's a somewhat skittish - a loveable oaf who's also quite clever.
Twins Ruffnut, the crass, conniving sister, and Tuffnut, the tempermental, unkept brother, are brazen and fearless twins who feed on adrenaline.
Twins Ruffnut, the crass, conniving sister, and Tuffnut, the tempermental, unkept brother, are brazen and fearless twins who feed on adrenaline.
Snotlout is a hero in his own mind and filled with bravado, the epitome of a male viking.
Barf & Belch
Two-headed Barf and Belch, a Hideous Zippleback, has much in common with the twins, sharing a love for destruction and spending more time bickering than working in concert.
Meatlug is a Gronckle, a sweet, affectionate dragon - he's Fishlegs' soulmate.
A monstrous Nightmare, Hookfang likes to keep Snotlout on his toes, which makes for a complicated relationship.
Astrid's best friend, Stormfly, is beautiful, feisty and a powerful Deadly Nadder.
Since her first encounters with the dragon riders, Heather has transformed from a sweet and innocent pawn into a hardened and edgy warrior seeking justice.
Dagur is obsessed with dragons and hates Hiccup.