Hiccup has always heard the way to train a dragon was to yell at them. He and 9 other boys hoping to become full members of the Tribe are sent to first catch a dragon then train it to obey simple commands on Thor'sday Thursday. Hiccup is able to choose a sleeping dragon and place it in his basket on his back like the 8 other boys as they leave the cave the last boy, Fishlegs, is trying to get a special dragon and he sneezes 4 times awakening the sleeping Nadder Dragon. As they race to escape the cave Hiccup gives his basket with his dragon to Fishlegs, takes his empty basket, and races to the cave entrance. All the boys luckily escape, and Hiccup has also taken another dragon, a very, very small dragon with no teeth – Toothless. They train their dragons, Thor’sday is ruined the boys get banished from the Island. Two Giant Sea Dragon’s appear on the island threatening to eat everyone. The boys decide to save the people because things can’t get worse. The Dragon’s end up fighting each other, one dies. The other one is dying and says he’ll eat Hiccup first. He opens his mouth tosses him in. Toothless flies up the giant dragon’s nose causes the dragon to have problems his fire breathing is effected and he can’t blow out fire. This build up causes him to eventually blow up his head forcing Hiccup and Toothless to fly through the air Toothless helps Hiccup land pretty safe. Hiccup is recovering all believe Toothless dies. They are giving him a Viking funeral on a boat. Hiccup races to stop it. The boat is on fire. Toothless awakes and flies through the air with tail on fire he goes in the water puts it flies back to Hiccup. The boys stay, laws change and over a long time people don’t believe there were such giant creatures.