George is an uptight surgeon with a rebellious teenage son. Edith is a free spirit with an overachieving teenage daughter. When they meet during an admissions tour with their kids at the small, idyllic Middleton University, they decide to ditch the group. Though adversaries at first, they soon discover that the only thing better than the college tour, is the detour.

On their way to Night School, Casper the Friendly Ghost and his pal, Spooky Ghost, pass a zoo, and Spooky has a good time scaring the animals until Casper, posing as the ghost of the scared denizens of the zoo, scares Spooky.

A truant officer spots the kids in an amusement park. They try to escape him.