Seasons & episodes
S3 · E1The Cloud 2017-02-04 · 22 min
The kingdom is threatened by an army of Lava Monsters, and the inexperienced NEXO Knights must come to the rescue.
S3 · E2A Little Rusty 2017-02-11 · 22 min
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.
S3 · E3Mount Thunderstrox 2017-02-18 · 22 min
Jestro and the Cloud of Monstrox encounter the sculptor who helps unleash a horde of fierce garden gnomes on Knighton.
S3 · E4Rotten Luck 2017-02-25 · 22 min
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.
S3 · E5Storm Over Rock Wood 2017-03-04 · 22 min
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.
S3 · E6Miner Setback 2017-03-11 · 22 min
Villagers are being enslaved to dig out three ancient warriors whom the Cloud of Monstrox wants to bring back to life. Can the Nexo Knights make their Combo Nexo Powers work inside a mountain?
S3 · E7Knight at the Museum 2017-03-18 · 22 min
At K.O.M.A. (Knightonia Official Museum of Art) Monstrox learns that a Forbidden Power tablet is hidden and he will do anything to get it; especially if King Halbert happens to visit at the same time.
S3 · E8Hot Rock Massage 2017-03-25 · 22 min
The old Lava Monsters are back and a Forbidden Power is in the middle of their new village of Burningham! But whose side are the Lava Monsters on?
S3 · E9Rock Bottom 2017-04-08 · 22 min
The three Harpies have kidnapped Macy's mother Queen Halbert, and the Nexo Knights use everything in their power to rescue her.
S3 · E10In Charge 2017-04-08 · 22 min
The Cloud of Monstrox grows more powerful with every Forbidden Power Jestro inserts; the capitol of Knighton is under attack; the Fortrex is damaged and Clay is turned to stone.
S4 · E1Weekend at Halberts 2017-08-21 · 22 min
Party time in Knighton! The mood is down so the King decides to throw a party. In the meantime Jestro attacks the Fortrex, but he is confronted with the new Nexo Power "The Wedgie of Doom".
S4 · E2The Gray Knight 2017-08-22 · 22 min
Using his Stone to Life magic the Cloud of Monstrox turns Clay into a living, fighting, breathing stone fighting knight. But will Clay use his forces to fight for good or for evil? Does he have a choice?
S4 · E3The Good, the Bad and the Tightwad 2017-08-23 · 22 min
Clay wakes up in the poor town of Nothing Hill which literally has nothing. Will Clay remember who he is and what he is fighting for? His friends try to help him, but Jorah Tightwad and his Bots get in the way.
S4 · E4In His Majesty’s Secret Service 2017-08-24 · 22 min
The Nexo Knights decide to use Clay to infiltrate the enemy camp but first Clay needs to learn how to be a good spy. Agent Shield, Jack Shield helps them with that.
S4 · E5Stranger in the Halps 2017-08-25 · 22 min
Jestro and the Cloud of Monstrox builds a new stone army from giant building blocks to crush Knighton. The Nexo Knights try to convince Rockowski, a demolition expert, to help them.
S4 · E6Krakenskull 2017-08-28 · 22 min
Jorah Tightwad is digging for gold but finds the ancient Lord Krakenskull buried with his army. This stone army is exactly what the Cloud of Monstrox needs.
S4 · E7Heart of Stone 2017-08-29 · 22 min
Clay Moorington the Nexo Knight has had enough of Monstrox, Jestro and their Forbidden Powers and decides to take the fight to them. But the Cloud of Monstrox is getting closer and closer to unleash his master plan.
S4 · E8Between a Rock and a Hard Place 2017-08-30 · 22 min
Things are getting dire in Knighton. Jestro and the Cloud of Monstrox only need the Forbidden Power of Awesome Annihilation in order to reveal what's hidden in Mount Thunderstrox. It can't be nice.
S4 · E9March of the Colossus 2017-08-31 · 22 min
The giant Stone Colossus is marching on Knighton. Ruina the witch tries to get to Clay, but the other Nexo Knights need him in their final defense of the realm. Which side will he choose? Family or friends?
S4 · E10The Fall 2017-09-01 · 22 min
The Cloud of Monstrox is inside of The Stone Colossus and it now stands in front of Knighton. The students of the Knights Academy are mobilized, the King and Queen are on the defence and the Nexo Knights are ready for the final showdown.