| Sesame Street | |||||
| Oscar's air pollution factory | |||||
| Air date | March 21, 1973 | ||||
| Season | Season 4 (1972-1973) | ||||
| |||||
- Oscar the Grouch's business goes up in smoke when Gordon makes him shut down his air pollution factory.
- Film - A trip to the chewing gum factory.
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| Episode 0497 | Episode 0499 |
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