The INSANITY® workout

This might just be the hardest fitness program ever put on DVD. Your personal trainer Shaun T will push you past your limits with 10 INSANITY workout discs packed with plyometric drills on top of nonstop intervals of strength, power, resistance, and ab and core training moves. No equipment or weights needed. Just the will to get the hardest body you’ve ever had.

http://www.beachbody.com/product/fitness_programs/insanity.do