

The adventure takes place in the futuristic Kingdom of Knighton. It focuses on the Nexo Knights as they journey to defeat Jestro the evil jester, the Book of Monsters, and their lava monster army. Clay leads the Nexo Knights, which include Macy, Lance, Aaron, and Axl. Together, under their mentor Merlok 2.0, they band together to defeat Jestro.
Cartoon Network
40
22 min

During the graduation ceremony for the new Knights of Knighton, Jestro the jester is ridiculed for his terrible, uh, jestring. Distraught, he's seduced by the powerful and evil Book of Monsters until Merlok the Magician tries to stop Jestro by using his most powerful magic spell.
Dec 13, 2015

After a magical explosion, Jestro discovers that he still has the Book of Monsters and together they decide to attack and destroy the Kingdom. Their monsters seem like too much for the new Knights of Knighton until an old friend emerges in a new form.
Dec 13, 2015

When Jestro and the Book of Monsters start using their monsters to ravage the countryside, the Knights get an awesome new HQ to fight him, the mighty, powerful Rolling Castle known as the Fortrex.
Jan 13, 2016

Clay and Lance tussle over who should lead the Knights and protect the King who's toddles off on a PR tour of the kingdom. While fighting off Jestro and his monsters, Lance realizes that nobody knows the Knights' Code like Cla.
Jan 14, 2016

The Knights explore a strange forest looking for a Book when Jesto unleashes the Book of Fear on them and a new monster, Whiparella, uses her minions to induce the Knights' worst knightmares.
Jan 15, 2016

When Lance stars in a movie about the Knights, the Book of Monsters want to eat the script to learn more about modern society. Jestro uses his spy, Lavaria, to infiltrate the set and attack the Knights.
Mar 3, 2016

Jestro and the Knights are both trying to get the Book of Deception. But the book has used its powers to create a powerful maze in the Hill Country, near Axl's home, and it's a race to complete the maze and get the Boo.
Jan 19, 2016

When the Knights of Knighton can't defend the outer villages of the kingdom, a mysterious Black Knight appears to take on Jestro and his monsters. Who is he really and is he a new ally or a new foe?
Jan 20, 2016

Jestro uses the baddest book yet, the Book of Destruction, to make monsters that capture the Knights one-by-one so that he can turn his attention to attacking the King's Castle.
Jan 21, 2016

Seeing Jestro's monster army about to destroy the King's Castle, Aaron rides off to gather his cohorts. In the meantime, the King and Queen bravely go out to defend the city against the monster menace. Is this the end of Knighton?
Jan 22, 2016

Aaron

Jestro

Clay Moorington

Queen Halbert

Axl

Ava Prentis

Lancelot "Lance" Richmond

Princess Macy Halbert

Monstrox / Book of Monsters