: You get a complete, high-intensity workout in half an hour.

hosted several high-quality fitness programs, including the original P90X, Insanity, and the shorter, 30-minute The P90X3 Experience

As the final "cool down" began, the screen flickered. For a split second, the background of the video changed from a gym to Leo’s own garage. He saw himself on the screen, thirty minutes younger, just starting the video.