After learning several Flyers followed Heather to Vanaheim, the Riders must stop them from reporting the sacred island's location to their leader.
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.
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.
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.
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.
While visiting Wingmaiden Island, a baby Razorwhip bonds with Ruffnut, who suddenly finds herself trying her hand at being a Wingmaiden.
Hiccup grows wary when Gruffnut arrives on the twins' 19th birthday to administer a Thorston coming-of-age ritual involving three dangerous challenges.
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.
Stoick and Hiccup are led on a wild goose chase in search of willow bark for medicine, leaving Berk vulnerable to an enemy attack.
During a trip to Wingmaiden Island to find a Dragon Eye lens, Snotlout challenges Hiccup's leadership. On another island, an unlikely romance blooms.
Host Holly Baker visits top destinations across the country and helps prospective homeowners choose potential vacation homes to buy and how to optimize their rental potential as future rentals on sites like VRBO and HomeAway.
While stuck in a restaurant bathroom, Ray, Henry, Charlotte, Jasper and Schwoz reminisce about past adventures.
Captain Man and Kid Danger use Schowz' Fish-Talker helmet to help a lost fish find its way home.
Ichigo, Goro, and the rest of Squad 13 engage in a battle far more dangerous than any they've fought before, all while having their mind preyed on by the fact that this will be Hiro's third ride with Zero Two.
When Master Frown steals Puppycorn's birthday wish, Unikitty and Puppycorn have to venture into Frown Town to get it back.
The Guy tries to de-stress when he ends up in an uncomfortable situation. A freelance brand strategist struggling with her latest assignment embarks on a desperate search for a weed fix.
Martha shows viewers how to prepare maple cream sandwich cookies; chocolate chip cookies; oatmeal raisin cookies.
Vee and her family get scared during the town's anniversary celebrations.