드래곤 길들이기시즌 2 이미지 교체에피소드 번호1Live and Let FlyOverviewCertain that Alvin is planning an attack on Berk, Stoick institutes flight restrictions on the dragon academy. Hiccup, certain that Alvin will be using his newfound dragon-training knowledge to bolster his attack, forms a secret “Dragon Flight Club” in order to train the kids to defend Berk against Alvin’s dragon army.Air dateSeptember 19, 2013Runtime (min)23