One of the animated series from the Extension Department of Harding College, and produced by John Sutherland, Why Play Leap Frog illustrates how the cost of production, overhead, the processing of raw materials, and labor combine to create the overall cost of a product.

Made by the New York Stock Exchange and Produced by John Sutherland What Makes Us Tick follows John Q. Public's choices he has for investment, and how shares are created, and sold to investors.