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.
| Title | Air Date | Duration | ||
|---|---|---|---|---|
| Season 1 | Episode 1 | The Book of Monsters (1) | 2015-12-13 | 30 min |
| Season 1 | Episode 2 | The Book of Monsters (2) | 2015-12-13 | 30 min |
| Season 1 | Episode 3 | The Power of Merlok | 2016-01-13 | 30 min |
| Season 1 | Episode 4 | The Knights' Code | 2016-01-14 | 30 min |
| Season 1 | Episode 5 | Fright Knight | 2016-01-15 | 30 min |
| Season 1 | Episode 6 | The Golden Castle | 2016-03-03 | 30 min |
| Season 1 | Episode 7 | The Maze of Amazement | 2016-03-10 | 30 min |
| Season 1 | Episode 8 | The Black Knight | 2016-03-17 | 30 min |
| Season 1 | Episode 9 | The Book of Total Badness | 2016-03-24 | 30 min |
| Season 1 | Episode 10 | The Might and the Magic | 2016-03-31 | 30 min |
| Season 2 | Episode 1 | Back to School | 2016-08-13 | 30 min |
| Season 2 | Episode 2 | Greed is Good? | 2016-08-13 | 30 min |
| Season 2 | Episode 3 | The Book of Obsession | 2016-08-13 | 30 min |
| Season 2 | Episode 4 | The King's Tournament | 2016-09-10 | 30 min |
| Season 2 | Episode 5 | Monster Chef | 2016-09-17 | 30 min |
| Season 2 | Episode 6 | Knight Out | 2016-09-24 | 30 min |
| Season 2 | Episode 7 | Saturday Knight Fever | 2016-10-01 | 30 min |
| Season 2 | Episode 8 | Open Mic Knight | 2016-10-08 | 30 min |
| Season 2 | Episode 9 | The Fortrex and the Furious | 2016-10-15 | 30 min |
| Season 2 | Episode 10 | Kingdom of Heroes | 2016-10-22 | 30 min |
| Season 3 | Episode 1 | The Cloud | 2017-02-04 | 30 min |
| Season 3 | Episode 2 | A Little Rusty | 2017-02-11 | 30 min |
| Season 3 | Episode 3 | Mount Thunderstrox | 2017-02-18 | 30 min |
| Season 3 | Episode 4 | Rotten Luck | 2017-02-25 | 30 min |
| Season 3 | Episode 5 | Storm Over Rock Wood | 2017-03-04 | 30 min |
| Season 3 | Episode 6 | Miner Setback | 2017-03-11 | 30 min |
| Season 3 | Episode 7 | Knight at the Museum | 2017-03-18 | 30 min |
| Season 3 | Episode 8 | Hot Rock Massage | 2017-03-25 | 30 min |
| Season 3 | Episode 9 | Rock Bottom | 2017-04-08 | 30 min |
| Season 3 | Episode 10 | In Charge | 2017-04-08 | 30 min |
| Season 4 | Episode 1 | Weekend at the Halbert's | 2017-08-21 | 30 min |
| Season 4 | Episode 2 | The Gray Knight | 2017-08-22 | 30 min |
| Season 4 | Episode 3 | The Good, the Bad and the Tightwad | 2017-08-23 | 30 min |
| Season 4 | Episode 4 | In His Majesty's Secret Service | 2017-08-24 | 30 min |
| Season 4 | Episode 5 | The Stranger in the Halps | 2017-08-25 | 30 min |
| Season 4 | Episode 6 | Krakenskull | 2017-08-27 | 30 min |
| Season 4 | Episode 7 | Heart of Stone | 2017-08-28 | 30 min |
| Season 4 | Episode 8 | Between a Rock and a Hard Place | 2017-08-29 | 30 min |
| Season 4 | Episode 9 | March of the Colossus | 2017-08-30 | 30 min |
| Season 4 | Episode 10 | The Fall | 2017-08-31 | 30 min |
| Production | Ole Holm Christensen | Executive Producer |
| Production | Peter Griffiths | Producer |
| Crew | Tom Bailey | Compositors |
| Production | Heidi Rathschau Niesen | Development Manager |
| Directing | Dave Osborne | Director |
| Production | Martin Dalsgarrd | Development Manager |
| Production | Torsten Jacobsen | Executive Producer |
| Directing | Jean-Paul Vermeulen | Director |
| Production | Tommy Andersen | Development Manager |
| Production | Samuel Thomas Johnson | Development Manager |
| Production | Lotte Kronborg | Executive Producer |
