Ryan Walker mysteriously awakens MECH-X4, a giant robot built to defend Bay City against impending doom. When monsters begin to descend, Ryan recruits his two best friends and his brother to help pilot the robot that is their only hope of saving their town from mass destruction.

Nathaniel J. Potvin
Ryan Walker

Kamran Lucas
Harris Harris Jr.

Raymond Cham Jr.
Mark Walker

Pearce Joza
Spyder Johnson

Alyssa Jirrels
Veracity

Rohan Campbell
Dane

Peter Benson
Seth Harper

Ali Liebert
Principal Grey

Ryan Beil
Leo
Robotboy74%
Dexter's Laboratory76%
Big Hero 6 The Series75%
Be Cool, Scooby-Doo!80%
Megas XLR81%
I Am Groot70%
Adventure Time: Distant Lands81%
My Life as a Teenage Robot73%
Monsters vs. Aliens63%
Voltron: Legendary Defender72%
My Favorite Martian61%
Lab Rats80%
The Munsters79%
Small Wonder68%
Marvel's Spider-Man74%
Mech Cadets71%
Danger Force78%
Ben 1081%
Mighty Med75%
Wander Over Yonder74%