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.
Not streaming on a subscription service in the US right now.
Starring Jay Baruchel, Craig Ferguson, America Ferrera, Christopher Mintz-Plasse, Jim Cummings, Tress MacNeille