The Riders accept an invite to Berserker Island, where their reunion with Heather, Dagur and a young familiar face is interrupted by a sudden revolt.
Guest Cast
Steve Alterman
voices Additional VoicesMae Whitman
voices HeatherDavid Faustino
voices DagurAlan Shearman
voices Additional VoicesLucas Grabeel
voices Gustav LarsenKyle T. Heffner
voices Additional VoicesJim Pirri
voices Additional VoicesCast Appearances
Jay Baruchel
voices Hiccup HaddockAmerica Ferrera
voices Astrid HoffersonT.J. Miller
voices Tuffnut ThorstonZack Pearlman
voices Snotlout JorgensonAndrée Vermeulen
voices Ruffnut ThorstonEpisode Discussion
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