As humanity picks up the pieces after the battle of Chicago, a shadowy group reveals itself in an attempt to control the direction of history…while an ancient, powerful new menace sets Earth in its crosshairs. With help from Cade Yeager, Optimus Prime and the Autobots rise to meet their most fearsome challenge yet.
A team of teenagers with attitude are recruited to save Angel Grove from the evil witch, Rita Repulsa, and later, Lord Zedd, Emperor of all he sees, and their horde of monsters.
The Samurai Rangers team up with the mysterious RPM Ranger Red to fight off Master Xandred's Mooger army and a robotic supervillain from the RPM Ranger's dimension. But when both Red Rangers get struck with hypnobolts, they turn against one another.