Fishlegs identifies the scouts and warns that the rest of the flock could arrive within a week.
The Riders work to fireproof the Edge by securing water supplies and relocating vulnerable dragons like the Night Terrors to desolate caves. [S3E7] Reign Of Fireworms
The Riders encounter Fireworm "scouts," leading Fishlegs to realize that a full migration is imminent. While Snotlout initially suggests abandoning the island, Hiccup insists on staying and preparing the base for the impending heat. The episode focuses on the team's defensive preparations—filling watering troughs and finding safe caves—while also dealing with the comedic subplot of Ruffnut and Tuffnut discovering a "Namey Rock" (a claim stone) that they believe gives them ownership of the island. Key Plot Points Fishlegs identifies the scouts and warns that the
For more details on the dialogue, you can read the full episode transcript on the How to Train Your Dragon Wiki . The Twins find a rock that leads to
The Twins find a rock that leads to a dispute over who actually "owns" Dragon's Edge.