Boltar's bulk shields the Protectons from the flood, and their continue on their search for the crystals, but both factions are they captured by a bizarre race of rock creatures, who feed on the crystals also, who separate their human partners from them and imprison them in their subterranean realm within a volcano. As the humans watch, they see the rock creatures smelt their ship, and it soon becomes apparent that the Robotix are to share the same fate, with Jerrok going first…!