Watch Marmaduke (2022) : Full Movies Free Streaming Online Great Dane Marmaduke epitomizes the overgrown lapdog, with an irascible streak and a penchant for mischief that is tempered with a deep sense of love and responsibility for his human family, the Winslows. The new animation is set in the world of elite dog shows, rife divas, rivalries and slapstick comedy.