File:The Doctor Enters the Matrix The Deadly Assassin Doctor Who

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The Doctor discovers the Master is to blame for his premonitions; so he enters the Time Lord Matrix to track him down. Subscribe to Doctor Who for more exclusive videos: http://bit.ly/SubscribeToDoctorWho WATCH MORE: The Fourth Doctor: http://bit.ly/TheFourthDoctor The Fourth Doctor Titles: http://bit.ly/FourthDoctorTitles2 The Collection Trailers: http://bit.ly/DW-TheCollectionTrailers

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