File:A Lord of Magic? The Eternity Trap The Sarah Jane Adventures

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Erasmus Darkening has trapped people across time within the walls for centuries; but what is his purpose..? 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 Sarah Jane Smith: http://bit.ly/SarahJaneSmith

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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/