The P90X Extreme Home Fitness Workout DVD Set is a complete 12-disc exercise program designed by Beachbody and featuring Tony Horton as the lead instructor. This boxed set mini-series is focused on fitness and includes a variety of exercises to help users achieve their fitness goals. The program is in English and suitable for all fitness levels, providing a comprehensive workout experience for anyone looking to improve their physical health and wellness. The P90X Workout Series is a popular choice among fitness enthusiasts looking for a challenging and effective home workout program.