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.
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see all options Availability data: JustWatch
- Seasons
- 2
- Episodes aired
- 36
- Latest aired
- S02E20
- Total runtime
- 13h
Timeline when each season aired
- Season 1 November 2016 – June 2017 16 episodes
- Season 2 September 2017 – August 2018 20 episodes
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S02E01 Versus the New Evil
September 9 · 21min find the promo
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Ryan's attempt to level up at his new school is interrupted when the team must stop a super-powered enemy.
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S02E02 Versus the Deep
September 9 · 21min find the promo
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An item of immense power rests under the Bay, as does a terrifying new monster.
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S02E03 Versus the Outbreak
September 9 · 21min find the promo
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Ryan and the team must fight off a zombie horde.
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S02E04 Versus Harper's Ghost
September 9 · 21min find the promo
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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?
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S02E05 Versus the Mountain
September 9 · 21min find the promo
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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.
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S02E06 Versus The Dark Knight
November 4 · 21min find the promo
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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.
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S02E07 Versus The Tech Army
November 4 · 21min find the promo
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Ryan and Mark's fun day with their Dad is interrupted when a fighter drone created by Harris is mysteriously reprogrammed to destroy Ryan.
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S02E08 Versus Traeger
November 4 · 21min find the promo
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The team has their first real battle with Traeger while Leo is confronted with his past.
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S02E09 Versus Velocity and Veracity
November 4 · 21min find the promo
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Veracity's first mission with the team could be her last when her attempt to give Mech-X4 a flight mode goes terribly wrong.
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S02E10 Versus The Arctic
November 4 · 21min find the promo
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Ryan and the team take MECH-X4 to the Arctic for an epic showdown with Traeger.
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S02E11 Versus the Wolves at the Door
March 24 · 21min find the promo
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Mark and others find Ryan in the top half of the robot. He is alive but very weak.
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S02E12 Versus the Thirty
March 31 · 21min find the promo
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Ryan meets more of Leo's technopathy test subjects, including his birth mother.
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S02E13 Versus Miami
April 7 · 21min find the promo
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Grace might relocate the family to Miami.
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S02E14 Versus the X-Weapon
April 15 · 21min find the promo
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When the team split apart as Grace contemplates leaving Bay City, Traeger makes his move.
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S02E15 Versus Sabotage
April 22 · 21min find the promo
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After a successful mission, the team finally gets a little chill time in Mech-X until they find a bomb on the X-Deck!
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S02E16 Versus The Monster Within!
July 23 · 21min find the promo
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A traitor on Mech-X4 picks off unsuspecting team members one by one.
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S02E17 Versus The Betrayal
July 30 · 21min find the promo
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Ryan, Spyder, and Veracity attempt to sneak into a hospital to get the materials they need for a secret mission.
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S02E18 Versus Harris
August 6 · 21min find the promo
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Ryan and what's left of his team take on Traeger and a traitor in Brazil.
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S02E19 Versus The Infected
August 13 · 21min find the promo
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With the world falling one city at a time, Ryan and the team retreat to the Thirty's secret farm.
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S02E20 Versus The End
August 20 · 45min find the promo
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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?