A new girl, named Elena Potato, arrives in Oldmill Village. She becomes "interested" in meeting Ezekiel Zick after hearing he was able to see monsters.
Timothy thinks Elena is a threat for knowing their secret, so he unleashes Monster Pod, a carnivorous plant, to test Zick, but it behaves unexpected and starting to eat Oldmill Village.
Zick and Elena learn that someone is kidnapping all the cats in Oldmill, including Purrcy, as well as Timothy. As they enter the inverted pyramid building and encounter the fearsome Androgorkas.
Zick is disappointed that his mother is not coming to a parent-teacher day at school. Meanwhile, Magnacat plans to use the "Serum of Invulnerability", to turn humans into Androgorkas in his plot to take over Bibbur-Si.
Magnacat transforms many more people in Oldmill Village into Androgorkas. Zick and Timothy decide to intervene with the help of Trengingigan, the legendary Gorka hunter, to stop Magancat's plan.
Elena gets mad after being left out by Zick. Later, Magnacat makes a deal with Zick to help him in his plot to take over Bibbur-Si by telling him about his father at Dark Bay.
Zick and Elena try to find the treasure of Bristlebeard to save Greta's Flower shop. They venture to the Quicksilver River behind the waterfalls to find Bristlebeard's hideout.
When Zick and Elena go on a field trip to the aquarium, they meet Chumba Bagingi, a show-off monster, who escapes and attracts the terrible Dark Phantoms.
Zick and Elena meet Teddy Thaur, a tamer, and decide to go monster-hunting with him. Later, Zick finds out about the monster cellar and the Monster Tamers' Handbook.
Omnised and Omniquod escape from their DomBoxes by mind-controlling Elena, and cause trouble on Halloween. Later, Jeremy-Joth, comes to restore order, and Timothy was forced to leave his duties for too many rule violations.
Elena's cousin, gets his face messed up after being eaten by Bombo. So Zick and Elena travel to the Ancient Armory to find a cure. Meanwhile Zick is reunited with his miniature sized father, Zob, who shrank due to his battle with Magnacat.
Zick and Elena are trying to find a cure for Zob to return him to his normal size. Along with Teddy, they meet with Zick's Aunt Emely who turns out to be the leader of the Anguane Witches.
Zick, Elena, and Teddy head toward Drink Water Park to find Mugalak, a dragon monster, to capture his breath to restore Zob to normal. While in the cave, they are hunted by a Big Bonz Eater, a monster sent by Magnacat to destroy them.
The Zick and the Thaur Family head toward Port Reef to get reacquainted, and to transport Chumba Bagingi to Lardine's Detention Oasis. Meanwhile, Magnacat sends Ominsed and Omniquod to get his revenge on the Tamers.
Zick and Elena are doing a class project in Oldmill's Shipyard. Magnacat has Omnised and Omniquod turn Elena's pet rabbit, Puffy, into a were-rabbit to attack Zick and Elena.
After Zick and his father Zob reject an alliance with Emely. She sends her team of witches to kidnap Zick. Meanwhile, Elena is forced by her mother to have a pajama party with Mattie, Pattie, and Annie.
Magnacat leaks some of his ooze from his capsule to poison the sewer system. Zob and Terrence decide to investigate, but when they don't come back the next day, Zick, Elena, and Teddy decide to go look for them in Magnacat's secret lair.
Zick decides to go visit Timothy in Bibbur-Si, but end up giving Jeremy some problems. The Maximum Tutors decides to conduct a general inspection of the Barrymore house.
Magnacat summons a Sphinx to scare the citizens and break the antennas off the building that supports the Suspended City. Jeremy and Zob investigate, while Zick and Elena do the same thing without their knowledge.
Bombo swallows Zick's tele-skates, and ends up teleporting everywhere. Zick and Elena find that he teleported himself in an old house that belonged to the Blacksmith Brothers, who are Dark Phantoms trying to eat Bombo.
Zick and Elena try to get people to buy Zob's plant potion, which no one wanted because of its smelly odor. Meanwhile, Magnacat plans to take over Bibbur-Si by using an army of skeleton dinosaurs, by eliminating the Tamers first.
Magnacat begins to arrange an alliance between the Dark Phantoms and the Gorkas in his plot to take over Bibbur-Si. He mind-controls Jeremy to capture Zick wanting to drain Zick's powers by using a machine, known as "The Devourer".
Magnacat plans to defeat the Tamers by using his powerfully armored weapon suit, the Gorka-droid. Meanwhile, Zick tries to become useful ever since he previously lost his powers, and meets a female Tamer named Lay Mamery.
Magnacat decides to attack Bibbur-Si from above the army of Dark Phantoms in a blimp called the Vulture. The adult Tamers go to Bibbur-Si to help repel the invasion, while the young Tamers stayed at Zick's house.
Magnacat becomes bankrupt due to having repeated failures to defeat Tamers and taking over Bibbur-Si. He sends his new accomplice, Viziosed to get the Horn of Kong from and plans to use it to control the Monster-Saur to defeat the Tamers.
