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Premiering May 13, 2002, on BBC1, the British espionage-adventure series Spooks pitted undercover agents of the country's MI-5 squad (the U.K. equivalent of the NSA) against international troublemakers and terrorists. Though extremely violent and almost unbearably tense, the series scored its biggest points by dramatizing the pressures brought to bear against "average" people engaged in a top-secret profession: For example, one of the many plot threads involved the love life of Senior Case Officer Tom Quinn (Matthew ...