Film: Three boys (including Brian Henson) pretend to be steam shovels, playing in the dirt. This segues into footage of real construction vehicles. A parallel is drawn between the machinery and how the boys' arms and mouths work. (First: Episode 0003)
"Triangle and Square": 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)