Kira must escape from Mesogog's island base, while being chased by the Tyranodrones and henchmen Elsa & Zeltrax. With help from Dr. Tommy Oliver, Conner & Ethan come to her aid. Their new science teacher reveals his connection to Mesogog and company, and to help combat this evil force, gives the three Dino Morphers to harness the Dino Gems, allowing them to become DinoThunder Power Rangers! When Mesogog releases the three brainwashed-dinosaur Bio Zords to wreak havoc on the city, this new team must take on the forces of evil and find a way to give the Zords a change of heart.