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For reasons which remain unclear until the episode's midway point, Steed and Cathy enlist the aid of veteran criminal J. P. Spagge (Patrick Magee) to rob a bank of three million pounds. Even more confusing is the fact that Cathy is subsequently arrested for Spagge's murder. Even when an "explanation" is provided, Cathy remains in dire peril -- at the hands of the man she supposedly killed. Written by Roger Marshall, "The Gilded Cage" was originally broadcast in England on November 9, 1963; American viewers were given their first glimpse of the episode on March 13, 1991.