Animation. Hiccup, Astrid, Fishlegs, Toothless and Gobber tell the legend behind the Book of Dragons and reveal insider training secrets about 14 new, never-before-seen dragons. Show more
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Animation. Hiccup, Astrid, Fishlegs, Toothless and Gobber tell the legend behind the Book of Dragons and reveal insider training secrets about 14 new, never-before-seen dragons. Show more