Master Vile's Monster Conference results in a large group of armored monsters, under the command of Professor Longnose, ready to strike the now-defenseless Earth! Zordon and Alpha make contact with the Power Rangers of the planet Aquitar, and convince them to come to help save Angel Grove. But how long can these water-based beings last the dry terrain of our world? Plus, the reunion of the Ranger kids with their mentors is cut short when Rito & Goldar place an implosion device outside the Command Center!