Episode 0175
From Muppet Wiki
| Sesame Street | |
| Plot | |
| Air date | January 8, 1971 |
| Season | Season 2 (1970-1971) |
| Sponsors | O, Y, 3 |
| Syndication | |
| DVD | |
- Professor Hastings talks from a dump truck and shows how two trucks can be alike and also different.
- An Anything Muppet man uses feathers and rocks to teach the difference between heavy and light. During his lecture, Cookie Monster passes by and mistakes the rocks for cookies, and eats them all. The rocks weigh Cookie down, so the monster proceeds to eat the feathers to "balance it out".
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