The Hip Hop Harry crew sings and dances to a song that illustrates basic geometric shapes and examples of them in everyday objects.

A basketball player details how she uses math to perfect her game.

Carter speaks with Peter about a stunt he pulled involving music. He tells Peter that music is forbidden in prison, and Peter calls him obtuse. Carter creates an obtuse angle using his body and creates an acute angle soon after to show that he isn't obtuse.

The shapes introduce themselves and their characterisitcs to the square.

Tracy helps Calvin with his geometry homework by drawing large triangles on the side of his house. He uses basketball examples to help Calvin remember the different types of triangles.