Overview:The headmaster's "Clean Up Fenn Street" campaign is in full swing. But when Potter takes on some temporary assistance, an explosive situation develops which threatens to clean up Fenn Street for good.
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First Air Date: Nov 08, 1968Last Air date: Feb 13, 1972Season: 4 SeasonEpisode: 55 EpisodeRuntime: 30:14 minutesQuality: HDIMDb: 4.2 / 10 by 10 usersPopularity: 9.3629Language: en
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