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Hearts of Darkness was the 9th episode of Common Series 3.


Old and new Cybermen rejoice as the first phase of their scheme comes to light. The Doctor is still separated from his friends, and without the TARDIS, he is forced to fight alone. He discovers the Cybermen being manipulated, but who by? The Time Lord finds himself caught up in the bigger picture, with planets and galaxies at stake.

The fight is brought back home, as Amy discovers when all the people are changing drastically as cataclysm commences.

The time travelling crew need to reunite fast, before the night closes in on them and the hearts of darkness start beating.



  • The Doctor - Matt Smith
  • Amy Pond - Karen Gillan
  • Rory Williams - Arthur Darvill
  • Voice of the Cybermen - Nicholas Briggs
  • Voice of the Night Forger Clan - Lee Tockar
  • Voice of the Shadow Liege - Gabriel Woolf
  • Cybermat noises - Frank Welker


Common Series 3
War Lord of the Sand  • Deep Blue  • Mister Sandman  • Strange Fruits  • Succession of Witches  • The Only Bad Monk  • I Am...  • Rebirth of the Cybermen  • Hearts of Darkness  • Episode 10  • Kudlak Lane  • Paradox  • Event 3


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