Gas Mask Transformation | The Empty Child (HD) | Doctor Who

The Doctor discovers the boy in the gas mask isn't the only victim - and he's right in the middle of the danger zone. Subscribe to Doctor Who for more exclusive videos: bit.ly/Subscrib...
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Welcome to the Doctor Who Channel! Travel in the TARDIS with clips dating back to the Doctor's first incarnation in 1963, all the way through dozens of regenerations. Including behind-the-scenes footage, exclusive videos and our very own show Doctor Who: The Fan Show - this is the place to find all the best official clips.
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