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The Umorgus were an alien species that tried to invade Earth in 2010. They contacted Ian Webster, who wanted to take revenge on his colleagues and the people of Bannerman Road for bullying him. Ian Webster helped them to take control over his colleagues and the people of Bannerman Road. Later he recognised that the Umorgus wanted to invade Earth and wanted to control the whole human species. Sarah Jane and Luke Smith stopped the Umorgus, who escaped to his space ship. (AUDIO: Deadly Download)