Cheaper by the Dozen 2 together at Lake Winnetka. Tom's old rival, Jimmy Murtaugh, and his large family (with "only" eight kids) are also there for the summer. He constantly flaunts his wealth and success to Tom, as well as the accomplishments of his children, often suggesting to Tom that his are less successful because of his parenting style. They get into many incidents, several of which are accidental: Mark Baker, along with Kenny Murtaugh, crashes into a tennis court with a golf cart, Sarah Baker is caught shoplifting in a gift shop, and Mark accidentally sets off a backpack of fireworks, causing widespread panic,
Cheaper by the Dozen 2 especially when it is thrown into a boat, igniting its engine and causing it to explode. Jimmy again starts the topic that Tom needs to use a firmer hand on his kids. He is angered by this, and they decide to settle the matter at the Annual Labor Day Family Cup. He trains the kids for days, not realizing they are miserable. Sarah and Elliot Murtaugh watch "Ice Age" together, but are spied on by their fathers, which ultimately results in them getting into an argument and humiliating their children. Upon returning home, Sarah is furious and refuses to compete