The gang investigates why Viggo's men are mysteriously shipping marble blocks from a quarry. Next, they try to save two dragons being used as slaves.
Guest Cast
Mae Whitman
voices Heather
Alfred Molina
voices Viggo GrimbornCast Appearances
Jay Baruchel
voices Hiccup Haddock
America Ferrera
voices Astrid Hofferson
T.J. Miller
voices Tuffnut Thorston
Zack Pearlman
voices Snotlout Jorgenson
Andrée Vermeulen
voices Ruffnut ThorstonEpisode Discussion
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