Overview: The officers of the Special Branch mount a dawn raid on the homes of the members of a suspected spy ring.
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First Air Date: Sep 17, 1969Last Air date: May 09, 1974Season: 4 SeasonEpisode: 53 EpisodeRuntime: 60 minutesQuality: HDIMDb: 4.30 / 10 by 3 usersPopularity: 15.754Language: English