A phenomenon known as the Merge has caused many legendary realms to suddenly combine into one, but their union is unstable. A Spinjitzu Ninja Master must train a new generation of heroes to help find Elemental Dragons who can save the planet before the forces of evil use the same dragon energy to destroy this new world.
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see all options Availability data: JustWatch
- Seasons
- 4
- Episodes aired
- 80
- Latest aired
- S04E11
- Total runtime
- 1d 5h
Timeline when each season aired
- Season 1 June 2023 – October 2023 20 episodes
- Season 2 April 2024 – October 2024 20 episodes
- Season 3 April 2025 – September 2025 20 episodes
- Season 4 April 2026 – September 2026 20 episodes
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S04E01 The Whispering Wood
April 2 · 23min find the promo
Show synopsis
After the portal gates separate the Ninja across the Merged Lands without their powers, they frantically search for a safe route back to Ninjago.
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S04E02 The Lean of a Tree
April 2 · 23min find the promo
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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.
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S04E03 Tonight We Hunt Monsters
April 2 · 23min find the promo
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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.
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S04E04 A Wonder of the Merged Lands
April 2 · 23min find the promo
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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.
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S04E05 Seed and Soil
April 2 · 23min find the promo
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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.
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S04E06 Just Under the Surface
April 2 · 23min find the promo
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Having infiltrated The Administration, Jay, Kai, and Nya attempt a dangerous escape, while Lloyd grapples with the meaning behind his spiritual trial.
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S04E07 The Grand Inquisition
April 2 · 23min find the promo
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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.
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S04E08 Dying to Live
April 2 · 23min find the promo
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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.
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S04E09 The Heartbeat of All the Realms
April 2 · 23min find the promo
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Imperium comes under attack from the Loyalists and the Elemental Monster army. Meanwhile, Lloyd must find a way to save the Whispering Wood.
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S04E10 Birthright
April 2 · 23min find the promo
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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.
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S04E11 Monster in the Monastery
September 3 · 23min find the promo
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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.
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S04E12 The Mech Master 10,000
September 3 · 23min find the promo
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A race through Ninjago City with unexpected stakes provides Sora and Arin an opportunity to strengthen their bond.
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S04E13 In the Pits
September 3 · 23min find the promo
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A detour inspired by Jay's lost memories leads the Ninja to a gladiator pit and a new mission.
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S04E14 Ancient History
September 3 · 23min find the promo
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While the young Ninja struggle with their public perception, Frak investigates the possible return of a villain.
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S04E15 A Frozen Scar
September 3 · 23min find the promo
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Crossing into the Never Kingdoms to destroy the Weapon of Desolation, Lloyd's team meets old friends and encounters new dangers.
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S04E16 100 Eyes to See Your Soul
September 3 · 23min find the promo
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As delegates arrive for the peace talks, the young Ninja handle a threat behind the scenes with a shocking assist.
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S04E17 All Wizards Are Liars
September 3 · 23min find the promo
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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.
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S04E18 The Summit
September 3 · 23min find the promo
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Tensions mount at the peace talks, and the new Ninja must foil a kidnapping plot without derailing negotiations.
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S04E19 Desperately Seeking Sora
September 3 · 23min find the promo
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The young Ninja scramble to find their captured friend, while at the abyss of Eternal Night, the Ninja's ally faces the ultimate choice.
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S04E20 Dangerous Connections
September 3 · 23min find the promo
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Loyalists disrupt the Merged Lands Summit, as the Weapon of Desolation resists its own destruction.