Heathcliff and the Catillac Cats

The Great Pussini [Heathcliff] (1x1)

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The Great Pussini, opera star, comes into town and immediately takes to Sonja, winning her affection. Meanwhile, Heathcliff is furious and tries to show Sonja that Pussini is a fake. The voice of Pussini is really a little nerd cat. Sonja ends up leaving with him. Heathcliff is embarrassed and puzzled. The jealous Heathcliff exposes Pussini as a fraud and turns his concert into a fiasco.