|Air date||April 6, 1971|
|Season||Season 2 (1970-1971)|
- Cartoon: A male voice narrates a story of a jazzy triangle who loved to dance, and a square square. The triangle likes being flexible, but the square would rather be stiff and *square*. (First: Episode 0007)
- Two brothers, First and Last, sing about how their names affect how they do things. (First: Episode 0146)
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|Episode 0236||Episode 0238|
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