File:The Doctor Ignites The Poison Gas - The Poison Sky - Doctor Who - BBC

Description
As the Sontarans prepare to convert Earth into a clone world, the Doctor has to set fire to the atmosphere of planet Earth. Subscribe to Doctor Who for more exclusive videos: http://bit.ly/SubscribeToDoctorWho

Watch more Doctor Who: The Tenth Doctor: http://bit.ly/DWTenthDoctor Series 4: http://bit.ly/DWSeries4 The Thirteenth Doctor: http://bit.ly/TheThirteenthDoctor XXXX - The Poison Sky - Doctor Who - BBC As the Sontarans prepare to convert Earth into a clone world, the Doctor has to set fire to the atmosphere of planet Earth. Starring David Tennant as the Tenth Doctor and Catherine Tate as Donna Noble Welcome to the home of Doctor Who on YouTube! Travel in the TARDIS with clips dating back to the Doctor's first incarnation in 1963, all the way through dozens of regenerations, from the latest clips of the Peter Capaldi era to the announcement of Jodie Whittaker as the Thirteenth Doctor. 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 from all 54 years of Doctor Who history. Subscribe for more: http://bit.ly/SubscribeToDoctorWho Want to share your views with the team behind Doctor Who and win prizes? Join our fan panel here: https://tinyurl.com/YouTube-DoctorWho-FanPanel This is a channel from BBC Worldwide who help fund new BBC programmes.