Lord Zedd’s arrival puts the Rangers in an extremely dangerous position as their own Zords become part of the enemy’s attack. The Tyrannosaurus and Dragonzord are turned against the heroes, leaving the Rangers struggling to control the very machines that once gave them an enormous advantage. Meanwhile, Bulk and Skull become more determined than ever to uncover the secret identities of the Power Rangers. With Zedd tightening his grip and the Rangers unable to rely on their familiar Zords, the team faces one of its most serious crises since becoming Earth’s defenders.