Clifford the Big Red Dog
Who Me, Jealous? (1x47)
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Mrs. Diller is taking care of Susie, her sister's adorable little puppy, for the weekend. To Cleo it appears that Mrs. Diller likes the cute little puppy better than she likes Cleo! So Cleo determines to "out-cute" the puppy and win back Mrs. Diller's affection. But she soon learns that Mrs. Diller thinks Cleo is perfect just the way she is.