The Alliance returns to planet Rock to convince Lord Mantle but Tekla fails. Emperor Femur suggests a cunning plan. However, the Bone emperor's intentions are only to steal the Battle Moons for himself. Latter, Blokk orders his legions to swarm on planet Rock while the defensive moons are away. Graveheart and Tekla head to recapture the Battle Moons and save the day in time.
