Recruited pt2.

The RDA begins to grow in number as Delta Unit and it's rangers try their best to contain the situation. Meanwhile Motherboard launches her second phase of attack on Electro City by sending the Vaccine Borg to infect people with deadly computer chips which would slowly kill them. General Stone deploys the Delta Carrier and Aerial Zords to help with the fight. Zak seeing what is taking place begins to have second thoughts. Remembering his fathers undieing loyality to Delta Unit and to protecting the lives of others, he changes his mind and takes up the job offer. Meanwhile Vaccine Borg wreaks havoc sending many people to the hospital. Delta Unit scientist quickly work on an antidote will the rangers try to stop him. Soon they are joined by Zak, the new Delta Red and his new Robo-oid Cheetah. Seeing that their forces are being out numbered, RDA sends the Vaccine Megaborg to destroy Electro City's main Electro Tower which is need to supply energy to make the antidote to cure Vaccine Borgs virus. The Delta Racer is eventually deployed to stop the Vaccine Megaborg from doing so. At the end Vaccine Borg and the Vaccine Megaborg are defeated and the antidote is made and disturbuted to the hospitals. Zak leaves the team yet again because he wants nothing to do with the government.