Phineas and Ferb travel across the galaxy to rescue their older sister Candace, who has been abducted by aliens and taken to a utopia in a far-off planet, free of her pesky little brothers.

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.