Jason, Zack, and Trini are chosen to attend the World Peace Conference in Switzerland. This means the Power Rangers are going to need a trio of replacements! But first, in order to transfer the powers to anyone else, our six heroes must travel across the galaxy, to the Deserted Planet. Lord Zedd's aware of their plan, and gives chase in his very own evil Zord, Serpentera! Meanwhile, back in Angel Grove, Baboo & Squatt activate a sleep machine to keep all possible replacements unconscious. Can Rocky, Adam, and Aisha avoid slumberland?