. . "Ended" . "Harbormaster is an American adventure/drama series that premiered on September 26, 1957 on CBS. In January 1958, the series was renamed Adventure at Scott Island and began airing on ABC. Harbormaster was a Ziv production (now owned by MGM Television)."@en . . "1957-09-26Z"^^ . "Harbormaster"@en . "0050024" . . . . . . . . "25"^^ . "1958-05-25Z"^^ . "1"^^ . . . . "1440.0"^^ .