Fantasy films are movies that tell stories about magical things or creatures, like witches, wizards, unicorns, dragons, and fairies. They often take place in a fantasy world, like Middle-Earth in The Lord of the Rings, or Narnia in The Chronicles of Narnia. Sometimes these worlds have special rules, like in Harry Potter where wizards use spells to make things happen. Fantasy films are usually a lot of fun because they can show us things that don't exist in real life.