After Sky's powers activated, Myers connected a fallen Metalkind to the plant's power supply. She used it to summon the rest of its kind to Earth. This forced Sarah Jane to bring Sky to her to save the world. However, Clyde Langer and Rani Chandra shut down the plant's core, closing the portal. The backlash disabled Sky's powers. The Metalkind freed itself, and using energy it had held in reserve, transported Myers back with it to its homeworld. (TV: Sky)