Nutrisystem TV Commercial, 'Knock Knock' Featuring Marie Osmond

Nutrisystem knocks on your figurative door to let you know you can get 50 percent off a month of meals delivered free to your literal door, as well as 50 percent off a month of Probiotic Shakes to help support your immunity. Nutrisystem claims to offer all of your favorite meals made healthier and encourages people to take advantage of this offer.