In Animal Planet, the Animaltron tribe of mechanical beings faces destruction from the powerful monster Eggking. The tribe defeats Eggking and seals him, but Kora, the gatekeeper, says his power can improve the planet. The king forbids it, fearing darkness. One day, Eggking's eggs fall to earth and Kora is missing, with Lion suspecting a bigger secret and setting out on a mission to find the truth.