Doctor who crossword

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Across
  1. 1. something that can travels in time and space
  2. 4. the main place in the tardis
  3. 6. the doctors species
  4. 7. things form other worlds
Down
  1. 1. how the tardis gets around
  2. 2. A si-fi tv show
  3. 3. Has two hearts and smart
  4. 5. where the doctor lives