The kingdom is threatened by an army of Lava Monsters, and the inexperienced NEXO Knights must come to the rescue.
The Cloud of Monstrox and Jestro unlock a mysterious forbidden power; Merlok 2.0 and the NEXO KNIGHTS try to make the new COMBO NEXO Powers work.
Jestro and the Cloud of Monstrox encounter the sculptor who helps unleash a horde of fierce garden gnomes on Knighton.
Jestro and the Cloud of Monstrox unleashes the Forbidden Power Ravaging Rot on Knighton, turning everything into green gooey rot, but Robin has an awesome new invention that could help the Nexo Knights.
The Nexo Knights have their powerful shields stolen by Robot Hoodlum and his Merry Mechs; something is coming to life in the petrified forest and it doesn't like knights.
