Season 1
Episodes
S1 · E1 · 1 Apr 2011 · 23 min
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.
S1 · E2 · 8 Apr 2011 · 23 min
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.
S1 · E3 · 15 Apr 2011 · 23 min
Armor
Hisako's mutant powers are weakened during a fierce battle between the X-Men and Todd, the U-Men's mad scientist.
S1 · E4 · 22 Apr 2011 · 23 min
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.
S1 · E5 · 29 Apr 2011 · 23 min
Power
Emma allows Professor Xavier to read her mind and reveal her thoughts after Cyclops opposes her membership in the X-Men.
S1 · E6 · 13 May 2011 · 23 min
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.
S1 · E7 · 20 May 2011 · 23 min
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.
S1 · E8 · 27 May 2011 · 23 min
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.
S1 · E9 · 3 Jun 2011 · 23 min
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.
S1 · E10 · 10 Jun 2011 · 23 min
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.
S1 · E11 · 17 Jun 2011 · 23 min
Revenge
Despite Yui's attempts to suppress them, Takeo's powers continue to gain strength, causing reality itself to become more and more twisted.
S1 · E12 · 24 Jun 2011 · 23 min
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.
Data and images from TMDB.