Forget boring sit-ups – this ab-shredding system will chisel the midsection with her winning combination of core-focused cardio circuits and ab-toning exercises. 6 Week Six-Pack includes two dynamic 30-minute workouts. Start with Level 1 for three weeks, then advance to Level 2 for increased intensity and fat burn. Jillian Michaels: Beginner Shred. Season 1. Beginner Shred offers three 20-minute workouts over a 30-day period designed to help you kick start your weight loss journey, dramatically transforming not just your physique, but also your level of fitness and self confidence. 292 2014 3 episodes. UNbl.