The Rangers' problems are further jeopardized when the Tyrannosaurus and the Pterazord both turn on the Rangers and begin to wreak havoc. Responding to Morticia's return Telexa unveils the more powerful Thunderzords. Only one problem remains the rangers must regain control of the Dinozords before activating the new ones. Drew thinks he may have the answer and along with Rico retreat to his lab while Nicole, Carmen, Max, and a 14-year-old, Susie return to the battlefield to confront Pirantishead who has just reactivated the zords.