Unlucky leprechaun Happy McSweeney is in for the adventure of a lifetime when he and his friends set out on a daring mission to retrieve the pot of gold that was stolen by the evil Houlihan...

So you want to be a dragon trainer do you? Prepare yourself for adventure, excitement and training as Hiccup, Astrid, Toothless and Gobber tell the legend behind the Book of Dragons and reveal insider training secrets about new, never-before-seen dragons.