Four teen boys use a giant robot to protect their city from danger. In the opener, a high school freshman discovers he has the ability to control technology with his mind and his power awakens MECH-X4, a giant fighting robot.

Ryan Walker, a freshman at Bay City High, has technopathy – the extraordinary ability to control technology with his mind. His talent mysteriously awakens the giant robot, MECH-X4.

Principal Grey sets a trap for Ryan, Harris and Spyder while they’re on a camping trip, which leaves MECH-X4 and Mark in danger.

Ryan's inner turmoil over a shocking personal revelation causes his power to short circuit, endangering the city.

As Harris' experiment at the science fair goes haywire with potentially explosive consequences, the school's MECH-X4 fan club threatens to uncover Ryan's secret identity.

Ryan's attempt to level up at his new school is interrupted when the team must stop a super-powered enemy.

Ryan and the team must fight off a zombie horde.

A traitor on Mech-X4 picks off unsuspecting team members one by one.

Ryan and what's left of his team take on Traeger and a traitor in Brazil.

With the world falling one city at a time, Ryan and the team retreat to the Thirty's secret farm.