Season 4

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

1. 

   1. The Whispering Wood

   2026-04-02 · 23m

   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. 

   2. The Lean of a Tree

   2026-04-02 · 23m

   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. 

   3. Tonight We Hunt Monsters

   2026-04-02 · 23m

   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. 

   4. A Wonder of the Merged Lands

   2026-04-02 · 23m

   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. 

   5. Seed and Soil

   2026-04-02 · 23m

   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. 

   6. Just Under the Surface

   2026-04-02 · 23m

   Having infiltrated The Administration, Jay, Kai, and Nya attempt a dangerous escape, while Lloyd grapples with the meaning behind his spiritual trial.

7. 

   7. The Grand Inquisition

   2026-04-02 · 23m

   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. 

   8. Dying to Live

   2026-04-02 · 23m

   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. 

   9. The Heartbeat of All the Realms

   2026-04-02 · 23m

   Imperium comes under attack from the Loyalists and the Elemental Monster army. Meanwhile, Lloyd must find a way to save the Whispering Wood.

10. 

    10. Birthright

    2026-04-02 · 23m

    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. 

    11. Monster in the Monastery

    23m

    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. 

    12. The Mech-Master 10,000

    23m

    A race through Ninjago City with unexpected stakes provides Sora and Arin an opportunity to strengthen their bond.

13. 

    13. In the Pits

    23m

    A detour inspired by Jay's lost memories leads the Ninja to a gladiator pit and a new mission.

14. 

    14. Ancient History

    23m

    While the young Ninja struggle with their public perception, Frak investigates the possible return of a villain.

15. 

    15. A Frozen Scar

    23m

    Crossing into the Never Kingdoms to destroy the Weapon of Desolation, Lloyd's team meets old friends and encounters new dangers.

16. 

    16. 100 Eyes to See Your Soul

    23m

    As delegates arrive for the peace talks, the young Ninja handle a threat behind the scenes with a shocking assist.

17. 

    17. All Wizards Are Liars

    23m

    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. 

    18. The Summit

    23m

    Tensions mount at the peace talks, and the new Ninja must foil a kidnapping plot without derailing negotiations.

19. 

    19. Desperately Seeking Sora

    23m

    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. 

    20. Dangerous Connections

    23m

    Loyalists disrupt the Merged Lands Summit, as the Weapon of Desolation resists its own destruction.