Dragons: live and let fly

Stoick is suspicious that Alvin the Treacherous is planning to attack Berk. In order to keep everyone safe, he has banned dragon flying! But Hiccup isn’t sure that banning flying is the best way to protect everyone. He thinks they should all be flying to keep a lookout for Alvin! So Hiccup forms a Dragon Flight Club with his friends at the Dragon Academy… but will he be able to keep it a secret from his father?