Havok is swept out to sea while surfing in Hawaii, and Scott saves him, but they both end up stranded and have to work together to survive.

The X-Men help Storm when her abilities are threatened by a visiting African witch doctor who attempts to steal her powers.

Ororo's nephew starts exhibiting mutant powers, but he's more interested in settling a rivalry with a fellow mutant than hearing about a ""school for freaks"".

The women form a team of crime fighters after Jean and Amara are teased for having weaker powers, and they call themselves the Bayville Sirens.

Avalanche wants to join the Institute, but has trouble being accepted by the others, especially after he's accused of taking joyrides on the X-vehicles at night.

Beast is mistaken for Bigfoot by hunters while he's on a camping trip with the students.

Nightcrawler has a crush on a new student. The wild girl is grounded for breaking the rules, but things get worse when her father arrives and asks that she help him in a bank robbery.

Evan enters an extreme Skateboarding competition, and puts his skills to the test. But something is wrong: A mysterious woman is watching and following him during the competition.

The X-Men are on vacation with Storm as their guardian. Amara falls ill while on the ship.

The young X-Men are left alone in the mansion when the adults respond to a jailbreak, and they throw a party that doesn't end well.

The only thing bigger than Fred Dukes' strength and size, is his temper, which makes his first day at school rather difficult. When Jean Grey makes contact, trying to be friendly, he takes it just a bit to seriously.

Kurt accidently finds an abandoned lab, and is sucked into a pocket dimension by a strange device he finds there.

Wanda receives a clue from one of Magneto's minions, Pyro, directing her to a ski resort. Meanwhile, Kurt is meeting Amanda's parents for the first time, and the Toad believes he can use Kurt's holo-inducer to disguise himself and win Wanda's love.

When Cyclops and Nightcrawler save people from a car crash they question Xavier's desire to keep their identities a secret. Meanwhile, the Brotherhood terrorize people in a crowded stadium.

The serum Hank McCoy uses to control his mutation no longer works, and his students are afraid of his angry outbursts.

Wanda goes searching for Pietro. Meanwhile the brotherhood's members are expelled from school, much to Lance's dismay.

Jean is possessed by a mutant with telepathic powers, which he uses to control the students and have them help him in his plot to release the imprisoned Apocalypse, a mutant who wishes to enslave the human race.

Forge invents a teleporter, and Nightcrawler uses it to travel large distances, but inadvertently opens a portal that allows strange creatures to follow him back to the school.

Xavier suspects that a flying "angel" seen above New York is a mutant, and he sends Cyclops and Rogue to find him before Magneto does.

During the rebuilding of the manor, Kitty and Kurt intercept a bunch of graffiti artists disguised as monsters. The older students get to go back to Bayville High for one day before attending a hearing to determine their ultimate fate, while they are banned from using their powers.

Mystique escapes from imprisonment while the X-Men repair and rebuild the Institute. Disguised as Alex, she lures Scott into a trap - leaving him stranded in the middle of the Mexican desert without his glasses.

Jean's telepathy changes, arriving in surges she can't control; and Hank McCoy joins the faculty as a science-and-gym teacher.

The X-Men pursue Apocalypse in Mexico, hoping to find and overcome him before Magneto finds him.

The Brotherhood cause mishaps so they can stop them and appear to be heroes.

Wolverine finds his clone, X-23, who's trying to destroy Hydra, her creator, and the two team up to complete the mission.