Settle in for a binge-worthy marathon of all six seasons of the top PBS drama of all time and one of the most-watched dramas on American television. This round-the-clock celebration features every enthralling moment of the unforgettable series. Savor all the romance, intrigue, heartbreak and happiness “Downton” provides. The KTWU DOWNTON ABBEY Marathon begins on Thanksgiving Day at 7 PM and ends Sunday, November 27 before POLDARK. The marathon airs on KTWU-HD, Digital Channel 11.1.