. . "1983-01-01Z"^^ . "Big Blue Marble was a half-hour children's television series that ran from 1974 to 1983 on numerous syndicated and PBS TV stations.Distinctive content included stories about children around the world and a pen-pal club that encouraged intercultural communication."@en . . . . . . "1800.0"^^ . "1974-09-21Z"^^ . . "Big Blue Marble"@en . .