Sep 9, 2017 · 21m
Ryan's attempt to level up at his new school is interrupted when the team must stop a super-powered enemy.


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.
Browse every episode and jump into details.
Sep 9, 2017 · 21m
Ryan's attempt to level up at his new school is interrupted when the team must stop a super-powered enemy.
Sep 9, 2017 · 21m
An item of immense power rests under the Bay, as does a terrifying new monster.
Sep 9, 2017 · 21m
Ryan and the team must fight off a zombie horde.
Sep 9, 2017 · 21m
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?
Sep 9, 2017 · 21m
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.
Nov 4, 2017 · 21m
When a new monster creates a city-wide blackout and disables the MECH-X4, the team must figure out how to get the robot working again to stop the beast from completing its mission.
Nov 4, 2017 · 21m
Ryan and Mark's fun day with their Dad is interrupted when a fighter drone created by Harris is mysteriously reprogrammed to destroy Ryan.
Nov 4, 2017 · 21m
The team has their first real battle with Traeger while Leo is confronted with his past.
Nov 4, 2017 · 21m
Veracity's first mission with the team could be her last when her attempt to give Mech-X4 a flight mode goes terribly wrong.
Nov 4, 2017 · 21m
Ryan and the team take MECH-X4 to the Arctic for an epic showdown with Traeger.
Mar 24, 2018 · 21m
Mark and others find Ryan in the top half of the robot. He is alive but very weak.
Mar 31, 2018 · 21m
Ryan meets more of Leo's technopathy test subjects, including his birth mother.
Apr 7, 2018 · 21m
Grace might relocate the family to Miami.
Apr 15, 2018 · 21m
When the team split apart as Grace contemplates leaving Bay City, Traeger makes his move.
Apr 22, 2018 · 21m
After a successful mission, the team finally gets a little chill time in Mech-X until they find a bomb on the X-Deck!
Jul 23, 2018 · 21m
A traitor on Mech-X4 picks off unsuspecting team members one by one.
Jul 30, 2018 · 21m
Ryan, Spyder, and Veracity attempt to sneak into a hospital to get the materials they need for a secret mission.
Aug 6, 2018 · 21m
Ryan and what's left of his team take on Traeger and a traitor in Brazil.
Aug 13, 2018 · 21m
With the world falling one city at a time, Ryan and the team retreat to the Thirty's secret farm.
Aug 20, 2018 · 45m
A super-charged Mech-X4 races around the world to defeat Traeger's beasts, and Ryan must make one of his toughest decisions yet: save his friend or save the world?
Quick answers about this season's release timeline and episode lineup.
MECH-X4 Season 2 premiered on September 9, 2017.
MECH-X4 Season 2 has 20 episodes.
The season opens with Season 2 Episode 1, "Versus the New Evil". It aired on September 9, 2017.
Go to Season 2 Episode 1