When Cleo wins the esteemed honor of Fluffiest Dog of Birdwell Island, it's all she can talk about! Clifford and T-bone bear with the new star, but it takes a lot of patience. When Cleo gets a dose of her own medicine from Mac, she learns that bragging all of the time can be boring – it's okay to be proud of an accomplishment, but be careful to be respectful of others.