The Secret Service - 1x03 - To Catch A Spy- Followmy.tv

Enemy agent George Grey is believed to be being hidden by the influential Sir Humphrey Burton at his country residence. Father Unwin pays Sir Humphrey a visit, enabling a miniaturised Matthew to discover that Grey is to be smuggled out of the house by helijet - if he effects a successful escape, he will take with him details of anti-missile defences and the locations of all reprisal bases!