Suzanne is sick of hearning Becky brag about her pony, but she agrees to go with Katie in their class to watch Becky ride at a horse show. During the competition, Ketie gets switcherooed into Brownie. Ketie has to concentrate if she wants to help Becky win a ribbon, but there's one very big problem: She can't stop horsing around!

When they hear that their teacher, Mr. G., is cutting off his ponytail and picking up a suit, the students jump to the wrong conclusion, until Katie finds out what is really happening when she turns into Mr. G

"Meet Cat. Cat sits, runs, and plays. But at the end of the day, Cat can sure use a nap"--