Welcome to Busytown Today is an extra busy day and Huckle Cat notices there's a big traffic jam. He and his sister, Sally, wonder why it's so busy Whenever Huckle wants to find out the answer to a mystery, he investigates. Huckle and Sally walk around Busytown, asking their friends where they are rushing off to. Mouse explains he's late for a movie. Hilda is out and about buying plants for her garden. Huckle realizes maybe it's not a mystery after all... Busytown is just a busy place, full of busy friends with lots to do. And when everyone is out doing their errands at the same time, a traffic jam happens