DreamWorks Dragons (2012)

S2E20 Cast Out, Part 2

Alvin discloses his plan to unleash the Screaming Death on Berk, aiming to wipe out everyone on the island. The fate of Berk now rests on Snotlout and Hookfang, who must act quickly to thwart this threat. Meanwhile, Hiccup prepares for a decisive showdown with Dagur, determined to rescue Toothless and put an end to the barbarian siege on Berk once and for all.