E1 - In Plain Sight

Aired: February 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.

E2 - No Bark, All Bite

Aired: February 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.

E3 - Chain of Command

Aired: February 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.

E4 - Loyal Order of Ingerman

Aired: February 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.

E5 - A Gruff Separation

Aired: February 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.

E6 - Mi Amore Wing

Aired: February 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.

E7 - Ruff Transition

Aired: February 16, 2018

While visiting Wingmaiden Island, a baby Razorwhip bonds with Ruffnut, who suddenly finds herself trying her hand at being a Wingmaiden.

E8 - Triple Cross

Aired: February 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.

E9 - Family Matters

Aired: February 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.

E10 - Darkest Night

Aired: February 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.

E11 - Guardians of Vanaheim

Aired: February 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.

E12 - King of Dragons (1)

Aired: February 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.

E13 - King of Dragons (2)

Aired: February 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.