My name is Ryan. I'm your son.
Ryan to Randall

"Versus The Mountain" is the fifth episode in Season 2 of MECH-X4 and the twentieth overall. It first aired on September 9, 2017.


Ryan finally gets a lead on his biological father, Randall, only to find him in danger and must race against time to save him.[1]


Main Cast

Recurring Cast

Absent Cast


  • This is the fifth episode of the five-part premiere in Season 2.
  • Veracity was absent in this episode. This was her second absence this season.
  • Leo had rebuilt the Markmobile using repair nanites.
  • Ryan saw his birth father for the first time.


We never get to do my thing.


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To view the Versus The Mountain gallery, click here.


MECH-X4 Episodes
Season 1
Let's Call It MECH-X4!Let's Get Some Air!Let's Open The Monster Heart!Let's Be Idiots!Let's Survive in the Woods!Let's Get Our Robot Back!Let's Get the Big Bad!Let's Deal with Our Stuff!Let's Get Some Answers!Let's Go Clubbing!Let's Get Leo!Let's Dig Deep!Let's Destroy Some Ooze!Let's End This! Part OneLet's End This! Part Two
Season 2
Versus The New EvilVersus The DeepVersus The OutbreakVersus Harper's GhostVersus The MountainVersus The Dark NightVersus The Tech ArmyVersus TraegerVersus Velocity and VeracityVersus The ArcticVersus The Wolves at the DoorVersus The ThirtyVersus MiamiVersus The X-WeaponVersus SabotageVersus The Monster Within!Versus The BetrayalVersus HarrisVersus The InfectedVersus The End