January 1, 1970

Season 4

01. Stamps

Professor Iris is on vacation, so Ms. Principal is teaching the class. Throughout her lesson, she and the class receive letters from the Professor, who asks that all the stamps on the envelopes go to Piano's collection.

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02. Learning

No details

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03. Rodents

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04. My Eyes

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05. Hats

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06. Bats

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07. The Moon

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08. My Teeth

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09. Books

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10. Snakes

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11. Taste

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12. Puppets

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13. Balloons

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14. Stringed Instruments

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