>> announcer: think you don't have time to work out? >> my commute is almost two hours a day. >> well, i have two kids husband, dog. >> i'm working 12 to 14 hours a day. >> 45 minutes is what you need to successfully burn fat and lose weight. >> announcer: now all you need is 25 minutes. >> 25 minutes? it's like before i blink, it's over. 2 1/2 minutes left. >> you're dripping in sweat. >> five minutes into it, i'm already sweating. >> it's brilliant. it's only 25 minutes a day. >> stay in there! you got it! >> i lost 38 pounds and 33 1/2 inches. that is in-sane! >> i've got my six-pack. i've got my defined arms.