Doctor Who: Watch Season 7 Episode 4 Online

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On Doctor Who Season 7 Episode 4, "The Power of Three," The Doctor stood up for humanity as it was littered with unknown black boxes while Amy and Rory considered life without him.

Time races by and special events in the lives of Amy and Rory are many, but The Doctor is never far from their hearts. He makes special appearances in their lives, but their travels with him become increasingly more infrequent. 

Brian William is on hand to impart wisdom on his son and his wife, to make sure that they never lose sight of all of the wonderful opportunities that have been brought their way by the extraordinary relationship they have with The Doctor.

The black boxes were a hidden killer, but how they killed or why? You'll just have to watch Doctor Who online below to get the full understanding of those gems. Some things just have to be watched to be believed and to find out how they fit into the bigger picture.

Carissa Pavlica is the managing editor and a staff writer for TV Fanatic. She's a member of the Critic's Choice Association, enjoys mentoring writers, cats, and passionately discussing the nuances of television and film. Follow her on Twitter and email her here at TV Fanatic.

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Doctor Who Season 7 Episode 4 Quotes

Within three hours the cubes had separate Twitter accounts.

Kay Stewart

Look at you now, all grown up.

The Doctor