When Zee morphs into Kevin, a wheelchair-bound teen, he accidentally implicates the boy in the commission of a crime.
When Zee and Ro finally track down Dr. Selig, they find that he is being forced to work for a terrorist organization.
Zee and Ro find temporary asylum from Bennet among a clan of technology-fearing people called the Noteks; Bennet tries to obtain a warrant to enter their land; the Noteks discover that Zee is a synthoid and try to destroy him.
When Bucky, the mysterious ally who's been helping Zee and Ro, is captured, he sends out a distress call to his heroes.
When Ro's reporter brother, Casey, is asked by his boss to turn in Zee and Ro for an exclusive story, Casey has to weigh family loyalty against career advancement.
When Bennet brings his son, James, along on an investigation, an accident on the sub strands Ro and James at the bottom of a reef.
Zee and Ro hitch a ride through tornado country with a pair of tornado-fighting brothers who are eager to prove themselves.
Zeta malfunctions and becomes unconscious while running from Krick; Ro hides the immobile Zeta and calls Bucky for help; Zeta flashes back in his mind to the mission when he decided to be peaceful.
A mysterious group with strange psychic powers captures Ro, believing she has the ability to communicate with machines; Zee must rescue her and save the town from utter destruction.
Zee and Ro travel to the Hub to meet Dr. Boyle; the doctor cripples Zeta, forcing them to find and take robotic parts from around the Hub.
When a computer geek named Jason unwittingly plugs IU7's salvaged CPU chip into his home computer, IU7 begins to rebuild himself.
Zee and Ro cause an accident in a cryonics lab that freezes Dr. Zelig.
Ro has to choose between concealing her location or contacting her brother.
Bucky gets help to rescue his parents from evil Dr. Tannor.
A bounty hunter traps Zee in a candy factory.
Zee and Ro are prime suspects in a kidnapping.
Batman mistakenly believes Zeta has reverted to killing and sets out to capture him.
Zee poses as a famous video star; he attracts unwanted attention as he and Ro search for information about Ro's birth parents in a logging town where Ro once lived.
Zee and Ro find themselves trapped on a high-speed hover-train; Zee's morphing abilities are interfered with; Agent West is on the train.
Zeta and Ro intercept a transmission intended for another unit.
Zee and Ro visit a science museum where Zeta's creator is scheduled to speak; a little girl gets trapped inside a fusion reactor and Zeta must reveal his identity to save her.
A science genius takes control of Zeta.
Zeta and Ro set out to meet Zeta's builder, but Bennet plans a trap.
Zeta and Ro meet, save each other's lives, then set out to find the scientists who created Zeta, hoping to prove that Zeta is peaceful.