File:The Final Countdown? The Empty Planet The Sarah Jane Adventures

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The androids are struggling to translate human language, and there's an ominous countdown appearing on all devices. What is the countdown for? Subscribe to The Sarah Jane Adventures for more videos: http://bit.ly/SubscribeToSarahJane

WATCH MORE: Series 1: http://bit.ly/SJASeries1 Series 2: http://bit.ly/SJASeries2 Series 3: http://bit.ly/SJASeries3

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Welcome to the official Sarah Jane Adventures channel! Investigative journalist Sarah Jane Smith, who once travelled across time and space as the Doctor's companion, now spends her time defending the Earth from alien threats in his absence. Together with her supercomputer Mr. Smith, her newly adopted son Luke - a human archetype created by aliens - and his friends Clyde and Maria, there are plenty of mysteries to solve and threats to defeat. Follow all their adventures and subscribe: http://bit.ly/SubscribeToSarahJane

This is a commercial channel from BBC Studios. Service information and feedback: https://www.bbcstudios.com/contact/contact-us/