| Sesamstrasse | |
| Air date | May 10, 1973 |
- Kermit the Frog and Professor Hastings talk about the letter Y.
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| Folge 0069 | Folge 0071 |
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Folge 0070
| Sesamstrasse | |
| Air date | May 10, 1973 |
| Previous episode: | Next episode: |
| Folge 0069 | Folge 0071 |
