The show begins at "Maggie's Machine Shop," where Maggie discusses pulleys. In Barre, Vermont, we see how granite is removed from a quarry and polished. In Paris, Todd and Monique examine the elevators at the Eiffel Tower. David and Chantal get a tip on riding bicycles.Film insert: a canal lock system.
| Name | Type | Role | |
|---|---|---|---|
| Franklin Getchell | Writer | ||
| Don Murray | Guest Star | ||
| Ozzie Alfonso | Director |