Season 4

2026 · 20 episodes · 7h 40m in all · 9.2/10

With the Ninja scattered and their powers weakened, a hidden enemy unleashes Elemental Monsters on the Merged Lands.

1. The Whispering Wood
2 Apr 2026 · 23 min · 7.3/10
After the portal gates separate the Ninja across the Merged Lands without their powers, they frantically search for a safe route back to Ninjago.
2. The Lean of a Tree
2 Apr 2026 · 23 min · 9.0/10
Lloyd begins to grasp his true purpose, while Kai, Nya, and Jay desperately look for a way out when they discover they're trapped in a giant creature.
3. Tonight We Hunt Monsters
2 Apr 2026 · 23 min · 9.0/10
Jay retraces his steps to try and unlock his memories. Frak asks his father and the Explorer's Club for help getting the team home.
4. A Wonder of the Merged Lands
2 Apr 2026 · 23 min · 8.7/10
Sora, Frak, and Wyldfyre race to save Riyu from a deadly poisoning. Meanwhile, an old friend arrives to help Lloyd and the team battle Elemental Monsters.
5. Seed and Soil
2 Apr 2026 · 23 min · 10.0/10
Sora and Frak hunt the Elemental Monster aboard the Explorer's Club ship, while Lloyd faces a crucial ritual at the Temple of the Green Ninja.
6. Just Under the Surface
2 Apr 2026 · 23 min · 9.0/10
Having infiltrated The Administration, Jay, Kai, and Nya attempt a dangerous escape, while Lloyd grapples with the meaning behind his spiritual trial.
7. The Grand Inquisition
2 Apr 2026 · 23 min · 9.0/10
In Umbrasilvis, Sora, Frak, and Wyldfyre form a plan to prove their innocence, while the Whispering Wood rapidly fades the longer Lloyd's ritual goes on.
8. Dying to Live
2 Apr 2026 · 23 min · 10.0/10
Cole overhears crucial details about the Loyalists' deadly plan, and Lloyd comes face-to-face with his greatest enemy in the Temple of the Green Ninja.
9. The Heartbeat of All the Realms
2 Apr 2026 · 23 min · 8.0/10
Imperium comes under attack from the Loyalists and the Elemental Monster army. Meanwhile, Lloyd must find a way to save the Whispering Wood.
10. Birthright
2 Apr 2026 · 23 min · 9.3/10
As Lloyd fights to retrieve the Weapon of Desolation, the Ninja unite and harness a new source of power in the battle to save Imperium.
11. Monster in the Monastery
3 Sept 2026 · 23 min · 8.5/10
When the Weapon of Desolation proves too dangerous to keep in the Monastery, the team must split up to go on a mission to destroy it.
12. The Mech Master 10,000
3 Sept 2026 · 23 min · 10.0/10
A race through Ninjago City with unexpected stakes provides Sora and Arin an opportunity to strengthen their bond.
13. In the Pits
3 Sept 2026 · 23 min · 10.0/10
A detour inspired by Jay's lost memories leads the Ninja to a gladiator pit and a new mission.
14. Ancient History
3 Sept 2026 · 23 min · 10.0/10
While the young Ninja struggle with their public perception, Frak investigates the possible return of a villain.
15. A Frozen Scar
3 Sept 2026 · 23 min · 10.0/10
Crossing into the Never Kingdoms to destroy the Weapon of Desolation, Lloyd's team meets old friends and encounters new dangers.
16. 100 Eyes to See Your Soul
3 Sept 2026 · 23 min · 8.0/10
As delegates arrive for the peace talks, the young Ninja handle a threat behind the scenes with a shocking assist.
17. All Wizards Are Liars
3 Sept 2026 · 23 min · 10.0/10
The young Ninja's chance to figure out the Loyalist plan hinges on Sora, meanwhile the Ninja's new ally is tempted by the Weapon of Desolation.
18. The Summit
3 Sept 2026 · 23 min · 9.0/10
Tensions mount at the peace talks, and the new Ninja must foil a kidnapping plot without derailing negotiations.
19. Desperately Seeking Sora
3 Sept 2026 · 23 min · 9.0/10
The young Ninja scramble to find their captured friend, while at the abyss of Eternal Night, the Ninja's ally faces the ultimate choice.
20. Dangerous Connections
3 Sept 2026 · 23 min · 9.5/10
Loyalists disrupt the Merged Lands Summit, as the Weapon of Desolation resists its own destruction.