It's the last day of summer vacation, and Mr. Pants, the cat, really wants play laser tag one last time before school starts, except Mom and his sisters, Foot Foot and Grommy, have other ideas-- but Mr. Pants knows how to get what he wants.

As Halloween approaches Mr. Pants, his mom and sisters, share a series of adventures as they choose costumes and get stuck at the airport when they miss their flight.