Draken: Rijders van Berk - Ondergronds

Seizoen: 1 - Aflevering: 14 / 15 - Eerst uitgezonden: 06 februari 2013 - Episode ID: 699874

A rogue dragon: a Whispering Death, shows up in Berk, tearing up the village. He's on a mission to find Toothless and settle a score. Despite Hiccup's efforts to help, Toothless insists on facing the dragon alone. But unlike their past battle, Toothless's inability to fly may prove to be his undoing.