6.9 BlurayLegend of the Boneknapper Dragon (2010) 09 Feb 2013 Legend of the Boneknapper Dragon IMDb: 6.9 2013 17 min min 388 views The film follows Hiccup and his young fellows accompanying their mentor, Gobber, on a quest to kill the legendary Boneknapper Dragon. An extra ... AdventureAnimationComedyFamilyFantasyTV Movie