With Blossom due home any moment, Ruff frets that she won't approve of his pet-sitting a rhinoceros. His desperate plan? Disguise Fluff as a dog. His dog breed research leads him to the perfect pooch to base Fluff's costume on-the shaggy, dreadlocked Puli Dog. Ruff and Chet set to work analyzing and sorting different materials based on their "shagginess" scale.