Kathy Kaehler presents a solid and popular workout with The Kathy Kaehler Fitness System. Her lesson relies on simple and effective movements that get the job done. This lengthy video is comprised of several exercises at different skill levels, allowing the viewer to advance at a unique pace. The first class is a beginning step led by Jami Gertz. After warming up with the basic routine, the video moves into an intermediate workout with Justine Bateman, which is a slightly more difficult version of the first section with the option of hand weights. Julianne Phillips leads the next part, which boosts the pace and skill level. Weights and a higher step can be used. Overall, the instructors' abilities vary, but the classes themselves are easy-to-follow classics. The video concludes with a celebrity-packed cooldown of stretching and muscle building. ~ Sarah Ing, Rovi