. . "Studio 57 (also known as Heinz Studio 57) is an American anthology series that was broadcast on the now-defunct DuMont Television Network from September 1954 to September 1955, and in syndication from 1955 to 1956.\"It's a Small World\", the pilot episode of the series Leave It To Beaver was broadcast on the show on April 23, 1957."@en . . . . . . . . . . . "1954-09-21Z"^^ . . "1500.0"^^ . "Studio 57"@en . .