Episodes
1. The Return
5.5
April 1, 2011
23 min
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.
2. U-Men
5.2
April 8, 2011
23 min
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.
3. Armor
5.0
April 15, 2011
23 min
Hisako's mutant powers are weakened during a fierce battle between the X-Men and Todd, the U-Men's mad scientist.
4. Transformation
5.0
April 22, 2011
23 min
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.
5. Power
5.0
April 29, 2011
23 min
Emma allows Professor Xavier to read her mind and reveal her thoughts after Cyclops opposes her membership in the X-Men.
6. Conflict
5.2
May 13, 2011
23 min
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.
7. Betrayal
5.2
May 20, 2011
23 min
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.
8. Lost
4.3
May 27, 2011
23 min
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.
9. Revelations
4.0
June 3, 2011
23 min
Revelations abound when it's discovered that Riko and Kaga were drugged by Yui and that Jun and Mastermind are one in the same.
10. Countdown
4.0
June 10, 2011
23 min
Mastermind's evil plans are frustrated as a fierce battle between the X-Men and the Four Pillars of the Inner Circle rages on.
11. Revenge
2.0
June 17, 2011
23 min
Despite Yui's attempts to suppress them, Takeo's powers continue to gain strength, causing reality itself to become more and more twisted.
