This document provides a summary of the American television sitcom "Good Luck Charlie". It describes the Duncan family, which is centered around parents Amy and Bob Duncan and their four children - Teddy, PJ, Gabe, and new baby Charlie. Each member of the Duncan family is introduced, including descriptions of their personalities. The document outlines that the show focuses on how the family's lives change with the arrival of the new baby, Charlie, and the general hijinks that ensue.