You can watch Cathe OnDemand videos on your computer or almost any mobile device. And best of all when you subscribe to Cathe OnDemand not only do you get unlimited access to all 300+ workouts (the same workouts you get on our DVDs), you also get access to the Workout Blender, Cathe Live, 1000+ Premixes,bonus videos, and receive unlimited access to any new video production we make, including our new Strong & Sweaty series for no additional charge.