Ray gains the power stop the Choten from invading the city, but at the cost of losing his father forever.
The intended use for the missing tanker of Evolution Serum is discovered.
The Masters must gather the Creature Monarchs together for a summit to stop the rising war.
Ray makes a deal with the Choten for an antidote to the serum that has mutated his father.
After an attack on Fire and Nature Realms from the Water Realm, the kids assemble four unlikely allies to prevent another attack.
Butterfly Effects ravage San Campion; Ray invites Master Isao to a family reunion.
A bullied kid inadvertently opens the Veil and lets Creatures into the school that take over everyone's bodies.
Allie and Alakshmi are literally stuck with each other; Ray and the Masters find the Choten and Darkness Realm Queen are meeting.
Alakshmi attempts to free Sensei from her armor; the group accidentally discovers Choten's ship.
Ray dreams of a new danger in the Nature Realm, so he and his friends venture out to help; Ray searches for the Mystic who holds a healing spell he is looking for.
When Bob's mother is kidnapped, he must face enemies from his past - the creatures responsible for his being termed a traitor.
The kids ask Ray's uncle for help when people are replaced by holographic look-alike Light Creatures; Allie uses a spell to banish the Light Creatures and plunges the Temple into darkness.
The kids are in danger at sea while investigating The San Campion Triangle; a duel ensues between August and Saguru.
Allie's loyalties are tested when she is influenced by the Cloak of Dark Illusions; Lucy teaches Ray about non-violent resistance.
Empress Megaria tries to take Allie on as her student in the Darkness Realm; a tanker full of Choten's Evolution serum goes missing.
Ray investigates at a chemical plant; Gargle has to defend himself against Gabe's older brothers.
Ray's family moves into a new home; the Choten's henchmen begin a crime spree.
The duelists travel to the Nature Civilization to stop out of control plant growth on both sides of The Veil.
Ray encounters a monstrous creature; family mysteries of Kaijudo.
A Creature Mystic's magic could help cure Ray's father.
Cyber Lord Finbarr enlists the help of the kids to prove that King Tritonus' behavior is caused by The Choten.
The threat of exposure of Kaijudo occurs when photos of Carny and a Fire Civilization creature leak onto the web.
Ray, Allie and Gabe discover a forgotten spell that temporarily grants new powers to their creatures.
Ally and Gabe investigate the creature that allegedly started the war, while Ray and Bob venture off to save Alakshmi from Skycrusher's Volcano-ship.
The Fire Civilization army captures Ray and Bob.
Unusual natural disasters in San Campion are being caused by an erupting war between the Fire and Water civilizations. Ray and his friends, along with the Duel Masters, travel to the creature realm.