Season 4
With the Ninja scattered and their powers weakened, a hidden enemy unleashes Elemental Monsters on the Merged Lands.

01 The Whispering Wood
23mAfter the portal gates separate the Ninja across the Merged Lands without their powers, they frantically search for a safe route back to Ninjago.
2026-04-02 7.3
02 The Lean of a Tree
23mLloyd 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.
2026-04-02 9.0
03 Tonight We Hunt Monsters
23mJay retraces his steps to try and unlock his memories. Frak asks his father and the Explorer's Club for help getting the team home.
2026-04-02 8.7
04 A Wonder of the Merged Lands
23mSora, 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.
2026-04-02 8.5
05 Seed and Soil
23mSora 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.
2026-04-02 10.0
06 Just Under the Surface
23mHaving infiltrated The Administration, Jay, Kai, and Nya attempt a dangerous escape, while Lloyd grapples with the meaning behind his spiritual trial.
2026-04-02 8.5
07 The Grand Inquisition
23mIn 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.
2026-04-02 9.0
08 Dying to Live
23mCole 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.
2026-04-02 10.0
09 The Heartbeat of All the Realms
23mImperium comes under attack from the Loyalists and the Elemental Monster army. Meanwhile, Lloyd must find a way to save the Whispering Wood.
2026-04-02 8.0
10 Birthright
23mAs Lloyd fights to retrieve the Weapon of Desolation, the Ninja unite and harness a new source of power in the battle to save Imperium.
2026-04-02 9.3
11 Monster in the Monastery
23mWhen 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.
2026-09-03 10.0
12 The Mech Master 10,000
23mA race through Ninjago City with unexpected stakes provides Sora and Arin an opportunity to strengthen their bond.
2026-09-03 10.0
13 In the Pits
23mA detour inspired by Jay's lost memories leads the Ninja to a gladiator pit and a new mission.
2026-09-03 10.0
14 Ancient History
23mWhile the young Ninja struggle with their public perception, Frak investigates the possible return of a villain.
2026-09-03 10.0
15 A Frozen Scar
23mCrossing into the Never Kingdoms to destroy the Weapon of Desolation, Lloyd's team meets old friends and encounters new dangers.
2026-09-03 10.0
16 100 Eyes to See Your Soul
23mAs delegates arrive for the peace talks, the young Ninja handle a threat behind the scenes with a shocking assist.
2026-09-03 8.0
17 All Wizards Are Liars
23mThe 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.
2026-09-03 10.0
18 The Summit
23mTensions mount at the peace talks, and the new Ninja must foil a kidnapping plot without derailing negotiations.
2026-09-03 9.0
19 Desperately Seeking Sora
23mThe young Ninja scramble to find their captured friend, while at the abyss of Eternal Night, the Ninja's ally faces the ultimate choice.
2026-09-03 9.0
20 Dangerous Connections
23mLoyalists disrupt the Merged Lands Summit, as the Weapon of Desolation resists its own destruction.
2026-09-03 10.0

