. "The Secret Service"@en . . . . . . . . . . . . . . . . "1500.0"^^ . "1"^^ . . "13"^^ . . . "1969-09-21Z"^^ . . . . . "1969-12-14Z"^^ . "The Secret Service is a British children's espionage television series, made by Century 21 for ITC Entertainment and broadcast on Associated Television, Granada Television & Southern Television in 1969. Created by Gerry and Sylvia Anderson, and produced by David Lane and Reg Hill, it was the eighth and last Century 21 production to feature \u2013 in a manner similar to Thunderbirds and other earlier series \u2013 marionette puppet characters as part of a filming technique known as \"Supermarionation\"."@en . . .