Sarah Jane Smith finally understands that the ingredient was sentient and rings up Mrs Wormwood and asks her to leave Earth. But Mrs Wormwood refuses and uses Bubble Shock to control the majority of the human race. Sarah Jane breaks into the factory immediately by driving the bus into the wall and the Bane Mother is revealed. She explains that she made the Archetype with different people's DNA and that the Archetype is the perfect human being. The Archetype uses the Bane technology to rescue the gang and to explode the factory.