Hasselhoff, knowing that the show was coming to an end, attempted to make a 'series finale' and helped conceive the story ' The Scent of Roses' with his wife at the time, Catherine Hickland, who played Michael's love interest Stephanie Mason in past episodes. Interest in the show declined, leading to its cancellation by the end of the season. The region 1 DVD was released on April 4, 2006. The fourth and final season of Knight Rider, an American television series that ran from Sto Apr 4, 1986, began September 20, 1985, and ended on April 4, 1986.
