Earth is suddenly visited by millions of small black cubes of unknown origin. The Doctor joins Amy, Rory and Rory’s father, Brian, to help discover what these cubes bring for humanity.
Watch Doctor Who s.7 ep.4 (The Power of Three) Online
- Director: Douglas Mackinnon
- Cast: Matt Smith | Karen Gillan | Arthur Darvill
- Rating (IMDB): 7.7
- Today: 52 Views
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