Clyde can't believe his mom is making him go to school. He has so much fun at home—what could a classroom possibly have to offer? As his mom lists all the activities he'll get to do, Clyde only imagines the worst possible outcomes. He's so caught up in what could go wrong that he's determined to turn around and go home. But when he comes across his kind teacher and the butterfly habitat she's carrying inside, it might just be enough to convince him to stay!