Pony Express is an American Western television series about the adventures of an agent in the 1860s of the Central Overland Express Company, better known as the Pony Express. The half-hour program starring Grant Sullivan and Don Dorrell was created by California National Productions. Pony Express ran for thirty-five episodes in syndication from the fall of October 1959 until May 1960. In its final days, the series just managed to coincide with the centennial of the Pony Express (April 3, 1860).