The team follows clues to Leo's last known location and find themselves facing unexpected threats from a prototype version of Mech-X4.

Harris convinces Ryan to join a skate competition, meanwhile, an upgraded flying Jaguasaur is deployed to lure the team and MECH-X4 into action.

The MECH-X4 team sets out to stop the villain's final plan before it can start.

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.

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.

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

On the robot's first ever deep-sea mission, Ryan and the team discover the terrifying truth behind the monsters.

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 finally gets a lead on his biological father, Randall, only to find him in mortal danger and must race against time (and a collapsing mountain) to save him.

Ryan and the team must rescue Mark and reclaim their robot before it's destroyed.

With help from his team and a dangerous new technology, Ryan goes on a mission into the mind of his enemy.

Now considered a danger, the guys and MECH-X4 must dodge authorities while trying to fight a monster unlike any other before.

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

Ryan uses his "technopathic" powers to access a powerful laser for the team to use and crack open the captive monster’s heart.

Ryan and the guys reluctantly join forces with an enemy to try and defeat a greater threat.

With the fate of Bay City at stake, Ryan and the team fight to end the monster threat once and for all.

When an ooze-infected Harris starts turning into a monster, the team goes on a mission to find a cure.

Ryan is bombarded by visions of Harper. If Harper is still alive, Ryan must make a difficult choice: save him, or destroy him once and for all?

Ryan and Mark's fun day with their Dad is interrupted when a fighter drone created by Harris is mysteriously reprogrammed to destroy Ryan.

Veracity's first mission with the team could be her last when her attempt to give Mech-X4 a flight mode goes terribly wrong.

After a successful mission, the team finally gets a little chill time in Mech-X until they find a bomb on the X-Deck!

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

Ryan, Spyder, and Veracity attempt to sneak into a hospital to get the materials they need for a secret mission.

An item of immense power rests under the Bay, as does a terrifying new monster.