Hiccup and the gang start a secret club to prepare for the Outcast offensive.
DreamWorks Dragons
Season 2 Episode 20: Cast Out: Part II
Hiccup cautiously accepts Alvin's help on a mission to rescue Stoick from Dagur's clutches. The dragon riders, the Berserkers and the Screaming Death all converge on Outcast Island, for a war that may decide the fate of the archipelago.