One day Boo went flying. He went flying to scare people. He went to K-Mart and shopped for Halloween costumes. He bought a vampire costume, a batman costume, a superman costume, a kitty cat costume, a mommy costume with a girl's hat, and a pirate costume.

He put on the vampire costume first. When he went outside the store there was a big crowd. When they saw Boo they all started to leave. He quickly changed into the mommy costume with the girl's hat and everyone came to shake his hand. The kids laughed at him and hugged him.