Jo is thrilled when her parents agree to let her host the Sleepover Squad to celebrate her spelling bee win, but when her friends start acting strangely, Jo feels like they are intentionally keeping secrets from her.
Second graders Taylor, Emily, Jo, and Kara plan a sleepover party to celebrate the end of the school year, but Emily has to find a way to convince her parents that she is old enough to be away from home for the night.
Emily hosts a pony-themed sleepover party but is disappointed when her friends have an easier time learning to ride than she does, despite her knowing so much about horses.
Jo is thrilled when her parents agree to let her host the Sleepover Squad to celebrate her spelling bee win, but when her friends start acting strangely, Jo feels like they are intentionally keeping secrets from her.
When Kara decides to host the next sleepover, her brothers promise to ruin the party unless she agrees to be their slave, but when Kara's friends discover what is going on, they decide to help Kara get even with her brothers.