
After Hiccup and Toothless heroically save Barf and Belch, the grateful Zippleback tries to repay its life debt by abandoning riders Ruff and Tuff.
Snotlout and Astrid must deliver a special battle axe to a family wedding, but when an Armorwing dragon derails their plan they have to work together.
After a strange creature bites Tuffnut, he believes he’ll turn into a legendary Lycanwing dragon when the moon is full. Can his friends save him?
As Hiccup and Snotlout race to rescue the others from the Dragon Hunters, they don’t realize that someone close to them is working with the enemy.
A new enemy named Ryker Grimborn captures Stormfly, sending Hiccup, Toothless and the team off to rescue her before it’s too late.
After an attack on Berk, Astrid trains a crew of backup Dragon Riders to battle back—but no one can guess how soon the next strike will hit.
When Hookfang is drawn to a female Monstrous Nightmare, Snotlout tries to break them up before he loses his best friend forever.
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.
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 dragon riders are surprised to discover who is behind recent attacks on nearby ships – and to learn exactly what the ships are.
Fishlegs and Meatlug liberate the Gronckles from a menacing new dragon that has encroached on their ancestral home, Dark Deep.
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.
Fireworm dragons invade Dragon’s Edge, while Ruffnut and Tuffnut discover that they have an unexpected connection to the island.
When Dagur the Deranged captures young Gustav, it’s up to Hiccup, Toothless and the dragon riders to get him back.
Thinking he’s allergic to his best friend Meatlug, Fishlegs gets hypnotized – and wakes up transformed into an invincible warrior known as Thor Bonecrusher.
On an island that will make the perfect outpost, the dragon riders discover its indigenous residents are a mysterious new breed of dragon.
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.
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.
During their search for the escaped Dagur the Deranged, Hiccup and the Dragon Riders discover a mysterious object—one that holds their destiny.
The Green Meanie sets its final plan for revenge in motion as Hester makes a bold move to secure her future, and Brock performs a dangerous surgery to save Dean Munsch’s life.
The Chanels are overwhelmed when their TV idol, Dr. Scarlett Lovin, visits the C.U.R.E. Institute. Meanwhile, Hester calls a Green Meanie summit as the killer(s) put their final kill plan into effect.
A man from Dean Munsch’s past checks in to the C.U.R.E. institute with plans to win her back, causing a jealous Brock to further question his relationship with Chanel. Meanwhile, Zayday and Chamberlain devise a plan to ...
In an effort to secure positive press for the hospital, Dean Munsch pitches a risky surgery to Dr. Holt, whose hand begins expressing more of a wild and dangerous personality than ever before. Meanwhile, Chanel #3 forces ...
After an influx of patents at the C.U.R.E. institute, Dean Munsch and Chanel organize a blood drive to solve the hospital’s severe shortage. Meanwhile, Nurse Hoffel sets a plan of revenge in motion, Hester finds a way ...