A Sentinel reawakens and seeks to destroy the X-Men.

Dangerous, Episode 4

Trevor Devall

The heroes protect people from a monster; a depressed mutant teenager tests his power.

A fellow student dares Wing to test his lost power resulting in his death.

The students start to panic when they realize Wing is missing.

Despite being in the Danger Room, the students are threatened.

The X-Men try to save the students in the Danger Room.

Facing a powerful new enemy, the team of mutant superheroes find themselves further imperiled when a "cure" for mutants is discovered.