The Forrester family - father Mitch Forrester, mother Helen Forrester, their pre-teen son Billy Forrester and their pre-school son Woody Forrester - have just moved to a new town where Mitch is starting a new job. Both Mitch and Billy are worried about fitting into their new environment. It's worse for Billy as Woody, who is not worried about the move, is at that stage in his life where everything is simple and easy. Billy's first day in the fifth grade at his new school does not go well when he gets into an altercation with the class bullies, led by Joe Guire. The altercation involves worms and Billy stating that he eats worms all the time, which leads to all the bullies calling him "Wormboy". As such, Joe bets Billy that he can't eat ten worms (without vomiting), the bet to take place this upcoming Saturday, with the last worm to be consumed by 7pm. Despite having a notoriously weak stomach...