S01E01 The Return
When a young girl named Hisako Ichiki goes missing in northern Japan, her parents seek help in Professor Xavier, who calls on the X-Men to unite.
X-Men
S01E10: Countdown
Mastermind's evil plans are frustrated as a fierce battle between the X-Men and the Four Pillars of the Inner Circle rages on.
Overview
X-Men, still grieving over the death of Phoenix (Jean Grey), are investigating a case of a missing mutant girl in Northern Japan. This leads them to a mysterious virus that turns mutants into monsters. U-Men and the Inner Circle want it.
Episodes
S01E02 U-Men
The X-Men carry out an investigation that leads them to the U-Men, a group of mad scientists whose hideout contains a horrifying secret.
S01E03 Armor
Hisako's mutant powers are weakened during a fierce battle between the X-Men and Todd, the U-Men's mad scientist.
S01E04 Transformation
The X-Men are put at risk of secondary mutation when the Blackbird is attacked by a bat-like creature showing dangerous signs of Damon-Hall Syndrome.
S01E05 Power
Emma allows Professor Xavier to read her mind and reveal her thoughts after Cyclops opposes her membership in the X-Men.
S01E06 Conflict
An intense battle ensues when the X-Men are attacked by remnants of the U-Men after being forced to execute an emergency landing in the Blackbird.
S01E07 Betrayal
Having defeated the U-Men, the X-Men come face to face with Yui Sasaki at her underground base, where she once ran a school for mutant children.
S01E08 Lost
After falling ill with Damon-Hall Syndrome, Riko and Kaga attack the X-men's base, while Emma spies on a stranger in her diamond form.
S01E09 Revelations
Revelations abound when it's discovered that Riko and Kaga were drugged by Yui and that Jun and Mastermind are one in the same.
S01E10 Countdown
Mastermind's evil plans are frustrated as a fierce battle between the X-Men and the Four Pillars of the Inner Circle rages on.
S01E11 Revenge
Despite Yui's attempts to suppress them, Takeo's powers continue to gain strength, causing reality itself to become more and more twisted.
S01E12 Destiny
The X-Men mount an attack to bring down Professor Xavier's son, Takeo, before he destroys the world, putting an end to both mutants and humanity.
Cast
Toshiyuki Morikawa
Cyclops / Scott Summers (voice)
Kaori Yamagata
Emma Frost (voice)
Rikiya Koyama
Wolverine / Logan (voice)
Hideyuki Tanaka
Beast / Hank McCoy (voice)
Aya Hisakawa
Storm / Ororo Munroe (voice)
Yukari Tamura
Armor / Hisako Ichiki (voice)
Katsunosuke Hori
Professor Charles Xavier (voice)
