 Elsa hatches a plan to set up the rangers. She, disguised as Principal Randall, comes along on a field trip with Dr. Oliver s class and pretends to be helpless when the Tyrano-drones come along and create havoc at the dig site. An egg is discovered there and quickly taken to Dr. Oliver s house. As they try to find out more about the egg, Dr. Oliver goes to the site and is intercepted by a very jealous Zeltrax. Meanwhile, to the rangers  horror, a dino zord attacks them as they re trying to battle a monster.