Power Rangers S.P.D. is the thirteenth season of the American television series, "Power Rangers", and is based on the 28th Super Sentai series "Tokusou Sentai Dekaranger". The season shares its title with the Korean dub of "Dekaranger" in South Korea, whose logo is similar to the American series. The initials in the title stand for "Space Patrol Delta"; in "Dekaranger", it stood for "Special Police Dekaranger", and in the South Korean dub of "Dekaranger", it stood for "Special Police Delta". The season debuted on February 5, 2005 as part of Jetix, originally airing on ABC Family; beginning with "Messenger, Part 2", the series moved to Toon Disney.