Caillou loves pets and learning to care for different types of animals. When Caillou gets frightened around a stranger's dog and a baby bird, it takes trust and patience for him to learn that animals aren't always easy to understand. The lessons that Caillou learns from his encounters with different animals leave a lasting impression and teach him how to help his neighbors, his parents, and his grandparents care for their pets. Caillou's inquisitive nature makes him an ideal pet helper!