Shawn and His Amazing Shrinking Sister gives parents guidance for ending teasing while teaching children how to build one another up. Shawn and Annie are excited for a family camping trip, but trouble awaits! Mom and Dad tease each other, and soon Shawn follows their lead and starts teasing Annie. But every time Shawn is unkind and teases her, Annie gets a little bit smaller. As Annie shrinks, the whole family learns how teasing can be hurtful...