walmart-preferred prescription plan. ♪ it's a breakthrough in medicare prescription drug plans... hey buddy! hey grandpa! ...with monthly plan premiums less than $15 and copays as low as $2. but for savings this big, visit walmart.com or call 1-800-808-4003. introducing the new humana walmart-preferred prescription plan. a medicare prescription drug plan that's a step forward in health care... and a step forward in affording the things that really matter. but don't forget, you can only save if you enroll by december 31st. ♪ call humana to take advantage of the medicare prescription drug plan with the lowest national premium in the country. go to walmart.com for more details. ♪