Fifteen years after a deadly accident claimed the lives of his parents, a scientist decides to pursue justice by transforming into a powerful hero.
S01:E02 - Ultraman X: S1 E2 - a Collection of Possibilities
The Giant Bird Monster, Birdon appears in Ookumayama. And it looks like it's getting ready to spawn. Daichi unites with Ultraman X to save his friends.
S01:E03 - Ultraman X: S1 E3 - a Song That Calls the Night
Daichi and Asuna are sent to investigate a string of localized earthquakes. Daichi spots a suspicious woman, she then calls forth the monster Teresdon.
S01:E05 - Ultraman X: S1 E5 - When the Aegis Shines
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.
S01:E06 - Ultraman X: S1 E6 - the Man With the Memories of a Planet
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.
S01:E07 - Ultraman X: S1 E7 - an Oath Beyond Stars
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.
S01:E08 - Ultraman X: S1 E8 - X in Peril
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.
S01:E09 - Ultraman X: S1 E9 - We Are Nebula!
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.
S01:E13 - Ultraman X: S1 E13 - Sword of Victory
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!
S01:E14 - Ultraman X: S1 E14 - the Shining Sky, and the Land Beneath It
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.
S01:E15 - Ultraman X: S1 E15 - a Soldier's Back
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.
S01:E16 - Ultraman X: S1 E16 - Feature Report! 24 Hours Inside Xio
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!
S01:E17 - Ultraman X: S1 E17 - My Friend's a Monster
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.
S01:E18 - Ultraman X: S1 E18 - Wataru's Romance
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!
S01:E19 - Ultraman X: S1 E19 - Living Together
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.
S01:E20 - Ultraman X: S1 E20 - Bond -Unite-
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.