Children are tested by Bad man to identify parallel and perpendicular edges and faces.

Bad man goes over what kind of shapes are parallelograms. He introduces the children to rhumbuses and squares.

The kids must answer questions about parallel and perpendicular lines in polygons.

The CyberSquad cannot make a big enough square with the rods it has available, so Jackie suggests making a triangle. The group successfully forms a triangle and then attempts to make a square with two triangles unsuccessfully. When Digit creates a right triangle, the group tries again to combine the triangles into a square. This time, it is successful, and Jackie explans how to know they've formed a proper square.

Sad man talks parallelograms and what features make up a parallelogram.