Digory, a gentle boy who likes to spend time alone in the forest and make up songs to sing, accidentally becomes a knight and reluctantly sets off to rescue damsels in distress, slay dragons, and marry a princess.
Hannah, Zachary, and Sarah Emily return to Lonely Island to save their friend, Fafnyr, a three-headed dragon, from being captured by a rich man who wants to put the creature on display.
A knight who is so interested in wearing just the right armor to fight the dragon forces a princess to take matters into her own hands and tame the ferocious beast.
Miss Lotta Scales is a dragon who believes her job is to protect the school's library books from the children, but when she finally realizes that books are meant to be read, the dragon turns into Miss Lotty, librarian and storyteller.
Ben, a little frightened about starting kindergarten, claims that his stuffed dragon simply refuses to go, but he finds his courage after he has a dream about a brave knight and a fire-breathing dragon who are forced to attend school in place of the king's son.
After spending hundreds of years on a tropical island, a patrol of bored and hungry dragons invades civilization and indulges in a fanatic fast food binge.