The Dot and the Line--a visual story

"The Dot and the Line: A Romance in Lower Mathematics" an animation based on the "book written and illustrated by Norton Juster, first published by Random House in 1963. The story was inspired by Flatland: A Romance of Many Dimensions,(written in 1884 by Edwin Abbott) in which the protagonist visits a one-dimensional universe called Lineland, where women are dots and men are lines."
You can read it online for free here. (no longer in copyright)