In the spring of 1975, peace returned to the universe once more. But then members of the Ultra Brothers started being assasinated by someone, one by one. The perpetrator was Jackal the Demonic Space Overlord. Jackal was an alien defeated by Ultraman King and banished to spend an eternity in a black hole. Having returned, Jackal sent his armies to Earth to uncover any Ultra Warriors that may be hiding in humanoid form there. Jackal's minions resorted to threatening to kill human beings held as hostages in order to force Ultra Warriors to reveal themselves. Just when it seemed all hope was lost, a mysterious warrior wearing a suit of armor that obscured his identity appeared from the heavens...
Zero finds himself trapped within a universal gap and faced against an impostor Ace. Following the battle, Darklops Zero was restrained once more by Herodia, remembering a figure named "Kaiser Belial" before deactivating. Rei was restrained after his failed attempt to intrude the alien base but was rescued by none other than his alternate self. Unlike the prime Rei, alternate Reimon was never able to control his powers, forced into the state of Reionic Burst until the original Rei punched Reimon, thus deactivating its Reionic Burst mode. Rei revealed that he lost his Rayblood instinct after Hyuga threw Seven's Eye Slugger, creating a scar on his chest which symbolizes the former's friendship with ZAP SPACY members. While searching for Rei, Hyuga instead finds his Neo Battle Nizer and an entrance to the alien base made by Litra. Although the fake Ace was destroyed, Zero try to find an escaped but was halted by Seven and Ultraman impostors.
Tomoya leisurely sketches the Ultra Monsters in his sketchbook but an unknown forces suddenly radiated the book. Misuzu, Kenta and Chigusa discover several Spark Dolls, which were thought to be sent into outer space but somehow returned to Earth. Hikaru soon arrives, and soon the group are transported into a virtual room by Tomoya's Gunpad. The room itself has several Spark Dolls in its collection. Tomoya introduces them to the Livepad, a tablet which allows its user to use UltLive simulations by simply scanning the Spark Doll via the tip of its pointer pen. The group begins experimenting with the new technology.
After the events of Ultraman Saga, Ultraman Zero goes to the Monster Graveyard to train with his new powers. There, Zero encounters Alien Bat Glacier; a follower of the original Bat that took over the alternate world. He revives the monster army, the Four Beast Warriors of Hell from the Graveyard to fight Zero for defeating his leader.
A ghost mage that can manipulate the soul of any monster appears, with the intent of ruling the universe. With a new enemy that can manipulate a monster's soul, Ultraman Orb and Ultraman Zero emerge to stand in his way. Orb will fight a ghostly villain with ghost monster army corps through various fusion ups including Lightning Attacker with the power of Ginga and X! Orb will fulfill new fusion ups while the mighty warriors of the lights appear to assist Ultraman Orb. Even with Ultraman Orb's new forms, will he be able to overcome the threat of Reibatos?
At the turn of the century, all of the Earth's monsters have been rounded up and kept safely on Monsterland. Chaos erupts when a race of she-aliens known as the Kilaaks unleash the monsters across the world.
Searching for his brother, Ryota stows away on a boat belonging to a criminal alongside two other teenagers. The group shipwrecks on Letchi island and discover the Infant Island natives have been enslaved by a terrorist organization controlling a crustacean monster. Finding a sleeping Godzilla, they decide to awaken him to defeat the terrorists and liberate the natives.
Gaira, a humanoid sea beast spawned from the discarded cells of Frankenstein's monster, attacks the shores of Tokyo. While the Japanese military prepares to take action, Gaira's Gargantua brother, Sanda, descends from the mountains to defend his kin. A battle between good and evil ensues, leaving brothers divided and a city in ruins.
During WWII, Germans obtain the immortal heart of Frankenstein's monster and transport it to Japan to prevent it being seized by the Allies. Kept in a Hiroshima laboratory, it is seeming lost when the United States destroys the city with the atomic bomb. Years later a wild boy is discovered wandering the streets of the city alone, born of the immortal heart.
In 1933 New York, an overly ambitious movie producer coerces his cast and hired ship crew to travel to mysterious Skull Island, where they encounter Kong, a giant ape who is immediately smitten with the leading lady.