Ultraman X

Daigo finds a strange man who wants to buy a monster. The man was told to see Director Eiji Tsuburaya about anything concerning monster, and disappears into a mysterious light.

Daigo is plagued by nightmares of the world being swallowed up by darkness. Then Monster Zoiger appears from ancient ruins as if to make this nightmare a reality. GUTS deploys, but are troubled by the super-fast Zoiger.

The world is thrown into chaos when Zoiger appear all over the Earth. Then the powerful demon, Gatanothor, emerges from beneath ancient ruins with plans to shroud the planet in darkness. Is humanity doomed to being swallowed up into darkness?

Tiga is defeated! As people mourn, GUTS executes a plan to use a Light Gene Converter developed by Evil Tiga Masaki to convert the power of the Maxima Overdrive into a beam and save Tiga who has been turned back into a stone statue by Gatanothor!

Experiments are underway to find the means for Xio officers to turn monsters into Spark Dolls. The monster Black King strikes, with Daichi and X uniting to fight it, but the Alien Nackle uses this opportunity to steal the Spark Dolls from Asuna.

A young man named tE rU is causing a commotion in the city. When he goes inside the mechanical giant Rudian it begins to march on the city. But after seeing tE rU heal an injured girl, Daichi unites with Ultraman X and attempts to stop Rudian.

X is turned to stone by the dark beast Gargorgon, who has arrived to take the energy from Planet Gold stored within Rudian. Having escaped to Earth from Gold, tE rU laments how Daichi and X were petrified while protecting him.

The fearsome monster Zetton attacks! Despite trying his various armors, Ultraman X is left completely defeated. In order to prepare for Zetton's next strike, Daichi focuses on developing a new armor. He then meets Dr. Touma, who offers to help.

Wataru's younger brother, Isamu, once dreamed of making it big as a rugby player. But he somehow ended up living in a sharehouse with a bunch of aliens! They only want to live quietly on Earth, and in time Isamu comes to accept them.

When a plant-like monster appears in the village, Daichi and gang try to heal its apparent malnutrition, only to stopped by a scream.

Daichi continues running tests to materialize the Gomorrah Spark Dolls his father left behind as cyber monsters.

The monster Demaga gets affected by an unknown energy from space and evolves into Sword Demaga.

Sho, Ultraman Victory, appears from another dimension! He and UPG Officer Arisa Sugita meet Daichi and the Xio team, and inform them of the threat of Gina Spectre and her brother Mold Spectre, which leads the two teams to work together!

At long last the three Ultramen of Exceed X, Victory Knight, and Ginga have gathered. Eager to defeat them, Mold Spectre's forces attempt to unleash the Spark Dolls contained within Xio's base to create a massive Gua Army force.

After discovering the Ancient Monster Gomes, Xio goes on alert, and Captain Kamiki receives the news his daughter is getting married. He's unable to contain his frustration at not hearing sooner, and can't decide whether or not to attend the ceremony.

A TV special is going to air with an up close spotlight on the daily activities of Xio's officers. See Daichi and his teammates watch out for suspicious alien activity in town, as the TV crew sticks to them!

Sakura makes friends with a Pigmon who appears mysteriously. They quickly become close, playing together almost every day. One day Sakura goes out to a shopping mall, and when Pigmon follows her into town the shocked townspeople want to capture him.

The cheers of his childhood friend, Nanako, help Wataru through a game of rugby. But when Nanako and Hayato seem to be getting closer, he's left in anguish. Then Cat Mu appears and Red King is struck by Dark Thunder Energy, causing a panic in the city!

A test to materialize Gomora's Spark Doll begins. As everyone is excited about the successful experiment, a Dark Thunder Energy strike turns Gomora into EX Gomora! Daichi unites with X, and is forced to fire their Xanadium Beam.

People are being attacked late at night by Space Beasts. In order to deal with the packs of roving rampaging creatures, Lieutenant Tachibana personally leads a special team into the field.

Daichi and X discover Greeza is headed towards Xio HQ Japan in order to absorb the life energy of the Spark Dolls, and they unite in front of Asuna to stop him! The heroes head to face Greeza, but...

X and Daichi are missing after being defeated by Greeza... Asuna senses Daichi is alive inside of X's Color Timer, and enters digital space in order to retrieve the duo. Can Asuna's voice reach them?