Halloween is a cool party that happens every year on October 31st. People decorate their houses with scary stuff like pumpkins with faces, witches, and ghosts. Everyone dresses up in costumes like monsters or superheroes. Kids go door-to-door saying "trick or treat" to get candy.

There are also fun things to do like going to haunted houses or carving pumpkins. Halloween is a time to have fun and be a little bit scared. It's about dressing up, getting candy, and having a good time with friends and family.