简介：ZeroHourisaCanadian/Britishdocumentary-styletelevisionseries,whichairsonTheHistoryChannelintheUnitedStates,HistoryTelevisioninCanada,andontheBBCintheUnitedKingdom.ZeroHourhasalsoairedonChannelSeveninAustralia(thirdseriesairedonNetworkTenfromMay1,2010andnowplayson7mate);onDiscoveryChannelinAfrica,Asia,NewZealand,Brazil,andtheNetherlands.Theprogramfocusesonretellingthedetailsoftragicman-madedisasterswhicheachunfoldedinlessthananhour. Certainepisodeshavebeenpartiallycensoredforparticularbroadcasts.OneexampleistheColumbineHighSchoolmassacreepisode,whichhadsomescenescut(forintenseviolence,profanity,andracialslurs)whenbroadcastonDiscoveryChannel. Season1(2004) # Title Disaster 1 "DisasteratChernobyl" TheChernobylDisaster OnApril26,1986,apowerplantinChernobylexplodedwithdevastatingconsequences.Itisestimatedthattherewereatotalof4,000deathsworldwide. 2 "TheLastHourofFlight11" AmericanAirlinesFlight11 OnSeptember11,2001,AmericanAirlinesFlight11washijackedanddeliberatelyflownintotheNorthToweroftheWorldTradeCenterinNewYorkCity,aspartoftheSeptember11attacks.Minuteslater,UnitedAirlinesFlight175wasflownintotheSouthTower. 3 "MassacreatColumbineHigh" ColumbineHighSchoolmassacre OnApril20,1999,twobulliedteenagersfromColumbineHighSchoolinColumbine,Coloradoembarkedonamassacre,killing12studentsandoneteacher,aswellasinjuring21otherstudents,beforecommittingsuicide. 4 "TerrorinTokyo" SarinGasAttackinTokyo OnMarch20,1995,theTokyoMetrowasinfectedwithdangeroussarinnervegas,whichwasplantedby5membersofaterroristgroupcalledAumShinrikyo.Atotalof13peoplewerekilled.…