Season 4 Ep...: Cold Opendragons: The Nine Realms :

This premiere effectively raises the stakes for Season 4. It establishes Buzzsaw as a persistent, season-long threat and introduces environmental hazards like "snowcanoes" and blizzards that will push the Riders to their limits in upcoming episodes. The Nine Realms, Season 4 | How to Train Your Dragon Wiki

The highlight of "Cold Open" is the return of Leonard "Buzzsaw" Burne (voiced by Haley Joel Osment). In a classic "Wounded Gazelle Gambit," Buzzsaw disguises himself as an injured hiker who supposedly fell into the realm by accident. Cold OpenDragons: The Nine Realms : Season 4 Ep...

While the human Riders are quickly fooled by his sob story, the dragons—led by Thunder—aren't as easily convinced. The tension peaks when: This premiere effectively raises the stakes for Season 4

Breaking the Ice: A Closer Look at Dragons: The Nine Realms Season 4, Episode 1 In a classic "Wounded Gazelle Gambit," Buzzsaw disguises