How to Train Your Dragon Amazon's Description: "Hiccup is a young Viking who defies convention when he befriends one of his deadliest foes -- a ferocious dragon he calls Toothless. But humans and dragons are supposed to be mortal enemies, not buddies, and this unlikely pair must overcome many obstacles and one ultimate challenge - to save both their worlds." Watch How to Train Your Dragon on Amazon Prime Video here! Image Source: Everett Collection