Season 1
Episode: 1x01 | Airdate: Jun 26, 2015
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.
Episode: 1x02 | Airdate: Jun 26, 2015
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.
Episode: 1x03 | Airdate: Jun 26, 2015
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.
Episode: 1x04 | Airdate: Jun 26, 2015
On an island that will make the perfect outpost, the dragon riders discover its indigenous residents are a mysterious new breed of dragon.
Episode: 1x05 | Airdate: Jun 26, 2015
Thinking he's allergic to his best friend Meatlug, Fishlegs gets hypnotized – and wakes up transformed into an invincible warrior known as Thor Bonecrusher.
Episode: 1x06 | Airdate: Jun 26, 2015
When Dagur the Deranged captures young Gustav, it's up to Hiccup, Toothless and the dragon riders to get him back.
Episode: 1x07 | Airdate: Jun 26, 2015
Fireworm dragons invade Dragon's Edge, while Ruffnut and Tuffnut discover that they have an unexpected connection to the island.
Episode: 1x08 | Airdate: Jun 26, 2015
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.
Episode: 1x09 | Airdate: Jun 26, 2015
Fishlegs and Meatlug liberate the Gronckles from a menacing new dragon that has encroached on their ancestral home, Dark Deep.
Episode: 1x10 | Airdate: Jun 26, 2015
The dragon riders are surprised to discover who is behind recent attacks on nearby ships – and to learn exactly what the ships are.
Episode: 1x11 | Airdate: Jun 26, 2015
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.
Episode: 1x12 | Airdate: Jun 26, 2015
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.
Episode: 1x13 | Airdate: Jun 26, 2015
When Hookfang is drawn to a female Monstrous Nightmare, Snotlout tries to break them up before he loses his best friend forever.
Season 2
Episode: 2x01 | Airdate: Jan 8, 2016
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.
Episode: 2x02 | Airdate: Jan 8, 2016
When Stormfly is captured by Dragon Hunters, Hiccup and the riders have to find her and rescue her.
Episode: 2x03 | Airdate: Jan 8, 2016
Hiccup and Snotlout race to rescue the other riders from the Dragon Hunters.
Episode: 2x04 | Airdate: Jan 8, 2016
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.
Episode: 2x05 | Airdate: Jan 8, 2016
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.
Episode: 2x06 | Airdate: Jan 8, 2016
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.
Episode: 2x07 | Airdate: Jan 8, 2016
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.
Episode: 2x08 | Airdate: Jan 8, 2016
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.
Episode: 2x09 | Airdate: Jan 8, 2016
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.
Episode: 2x10 | Airdate: Jan 8, 2016
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.
Episode: 2x11 | Airdate: Jan 8, 2016
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.
Episode: 2x12 | Airdate: Jan 8, 2016
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?
Episode: 2x13 | Airdate: Jan 8, 2016
Viggo has captured Heather and the Flightmare, and now Hiccup must outthink this dangerous new opponent.
Season 3
Episode: 3x01 | Airdate: Jun 24, 2016
While trying to take care of unfinished business, Hiccup and Toothless are lured into a trap. An unlikely rescuer comes to their aid.
Episode: 3x02 | Airdate: Jun 24, 2016
A wounded Fireworm seeks the Dragon Riders' help in protecting a precious treasure trove against an unfamiliar creature with strange and slimy powers.
Episode: 3x03 | Airdate: Jun 24, 2016
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.
Episode: 3x04 | Airdate: Jun 24, 2016
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.
Episode: 3x05 | Airdate: Jun 24, 2016
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.
Episode: 3x06 | Airdate: Jun 24, 2016
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.
Episode: 3x07 | Airdate: Jun 24, 2016
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.
Episode: 3x08 | Airdate: Jun 24, 2016
When Hiccup and Toothless accidentally land in a Dragon Hunter trap, they find themselves the newest contestants in a gladiator-style arena.
Episode: 3x09 | Airdate: Jun 24, 2016
Hiccup and his team rescue a dragon egg and bring it back to the Edge, where it hatches to reveal an ear-splitting surprise!
Episode: 3x10 | Airdate: Jun 24, 2016
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.
Episode: 3x11 | Airdate: Jun 24, 2016
When Dagur unexpectedly shows up, Hiccup scrambles to prevent him and Heather from discovering each other's presence.
Episode: 3x12 | Airdate: Jun 24, 2016
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.
Episode: 3x13 | Airdate: Jun 24, 2016
When Viggo offers Hiccup a truce, the wary Dragon Riders investigate and find a potential ally in their fight against the Dragon Hunters.
Season 4
Episode: 4x01 | Airdate: Feb 17, 2017
To prove they're on the same side and pose no threat, the Dragon Riders try to rescue Queen Mala's dragon, which Viggo stole to destroy Dragon's Edge.
Episode: 4x02 | Airdate: Feb 17, 2017
Tuffnut is eager to impress his visiting cousin, Gruffnut. But Ruffnut is suspicious of his real reasons for coming to Dragon's Edge.
Episode: 4x03 | Airdate: Feb 17, 2017
The Dragon Riders attend Berk's 400th anniversary celebration, where a bounty on Hiccup's head casts a dark shadow over the festivities.
Episode: 4x04 | Airdate: Feb 17, 2017
After getting bad advice from his father, Snotlout tries to seize leadership of the Dragon Riders and starts making reckless decisions on his own.
Episode: 4x05 | Airdate: Feb 17, 2017
Hiccup and Heather are shocked to see Dagur among the Dragon Hunters. Snotlout undergoes the Trials, a series of tests he must pass to be Mala's king.
Episode: 4x06 | Airdate: Feb 17, 2017
When a dragon that causes man-eating whirlpools threatens Berk's trade ships, the Dragon Riders must remove it without getting caught in its vortex.
Episode: 4x07 | Airdate: Feb 17, 2017
With his teammates grounded due to lack of sleep from the midnight sun, Hiccup tries to help a hurt dragon alone, but suddenly gets in over his head.
Episode: 4x08 | Airdate: Feb 17, 2017
When Dagur appears at the Edge claiming to know where Viggo keeps his gold, the Dragon Riders fly off to find the stash and return Berk's stolen gold.
Episode: 4x09 | Airdate: Feb 17, 2017
To ensure the future survival of Mala's tribe, she and Hiccup must deposit a newly laid Eruptodon egg into the deadly Grand Volcano so it will hatch.
Episode: 4x10 | Airdate: Feb 17, 2017
When the twins fly to the Northern Markets to get Tuffnut's mace fixed, a chance turn of events lands them inside a secret Dragon Hunter operation.
Episode: 4x11 | Airdate: Feb 17, 2017
While rescuing the dragons from a fire in the stables caused by a powerful lightning storm, Astrid suffers an injury that leaves her blind.
Episode: 4x12 | Airdate: Feb 17, 2017
After months of planning, Hiccup launches an operation to capture the Dragon Eye from Viggo, only to find that someone else has beaten them to it.
Episode: 4x13 | Airdate: Feb 17, 2017
Although Viggo keeps his promise about the Dragon Eye, Hiccup is unsure whether he can trust him as an ally against Ryker and the Shell Fire dragon.
Season 5
Episode: 5x01 | Airdate: Aug 25, 2017
While trying to stabilize the volcano that threatens to destroy Dragon's Edge, the Riders discover troubling evidence of new Hunter activity.
Episode: 5x02 | Airdate: Aug 25, 2017
As the Riders investigate why traders are disappearing from the Northern Markets, Hiccup and Snotlout fall victim to a treasure-hoarding dragon.
Episode: 5x03 | Airdate: Aug 25, 2017
The Riders accept an invite to Berserker Island, where their reunion with Heather, Dagur and a young familiar face is interrupted by a sudden revolt.
Episode: 5x04 | Airdate: Aug 25, 2017
When Snotlout is rescued from a storm by a tribe of winged women, he thinks he's gone to Valhalla -- until he learns he's going to be their dinner.
Episode: 5x05 | Airdate: Aug 25, 2017
Disobeying Hiccup, the twins follow a retiring Eruptodon to its final resting place, Vanaheim, and learn why no human has ever gone there before.
Episode: 5x06 | Airdate: Aug 25, 2017
When a pair of Outcasts visits the Edge seeking the help of Thor Bonecrusher, Fishlegs allows Snotlout to hypnotize him to evoke his mighty alter ego.
Episode: 5x07 | Airdate: Aug 25, 2017
After the Edge is ambushed by a group of Singetails, the Riders quickly take flight to ward them off, but are shocked when they get a closer look.
Episode: 5x08 | Airdate: Aug 25, 2017
The Riders flee to Berk, where Stoick's plan for defeating the Flyers, which will require a painful sacrifice, spurs Hiccup to seek an alternative.
Episode: 5x09 | Airdate: Aug 25, 2017
An unlikely ally helps Hiccup uncover Singetail behaviors that can be exploited to conquer the Flyers. An overconfident Krogan makes a strategy error.
Episode: 5x10 | Airdate: Aug 25, 2017
After Stormfly tangles with two poisonous Slitherwings while defending Garff, Astrid must risk her own life to get an ingredient to make an antidote.
Episode: 5x11 | Airdate: Aug 25, 2017
When Ruffnut refuses to become Throk's bride because it would mean leaving her twin, Tuffnut fakes his own death to give her the freedom to marry.
Episode: 5x12 | Airdate: Aug 25, 2017
A sketch in an old diary leads Hiccup and Fishlegs back to Vanaheim, where they help Dagur search for his long-missing father, Oswald the Agreeable.
Episode: 5x13 | Airdate: Aug 25, 2017
When Heather goes to meet a man claiming to have seen Oswald, she walks into a trap that forces the Dragon Riders to pay a dear and unexpected price.
Season 6
Episode: 6x01 | Airdate: Feb 16, 2018
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.
Episode: 6x02 | Airdate: Feb 16, 2018
Stoick and Hiccup are led on a wild goose chase in search of willow bark for medicine, leaving Berk vulnerable to an enemy attack.
Episode: 6x03 | Airdate: Feb 16, 2018
During a trip to Wingmaiden Island to find a Dragon Eye lens, Snotlout challenges Hiccup's leadership. On another island, an unlikely romance blooms.
Episode: 6x04 | Airdate: Feb 16, 2018
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.
Episode: 6x05 | Airdate: Feb 16, 2018
Hiccup grows wary when Gruffnut arrives on the twins' 19th birthday to administer a Thorston coming-of-age ritual involving three dangerous challenges.
Episode: 6x06 | Airdate: Feb 16, 2018
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.
Episode: 6x07 | Airdate: Feb 16, 2018
While visiting Wingmaiden Island, a baby Razorwhip bonds with Ruffnut, who suddenly finds herself trying her hand at being a Wingmaiden.
Episode: 6x08 | Airdate: Feb 16, 2018
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.
Episode: 6x09 | Airdate: Feb 16, 2018
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.
Episode: 6x10 | Airdate: Feb 16, 2018
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.
Episode: 6x11 | Airdate: Feb 16, 2018
After learning several Flyers followed Heather to Vanaheim, the Riders must stop them from reporting the sacred island's location to their leader.
Episode: 6x12 | Airdate: Feb 16, 2018
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.
Episode: 6x13 | Airdate: Feb 16, 2018
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.