Doctor Who – Season 7 Episode 4 – The Power of Three

Doctor Who – Season 7 Episode 4 – The Power of Three Full Episode Watch Streaming

Doctor Who – Season 7 Episode 4 – The Power of Three

Air Date: 22/09/2012
Summary:Twenty-first century Earth suffers a “slow invasion” of millions of seemingly harmless black cubes. While the Doctor waits for something to happen, he moves in with the Ponds.