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Season guide

Ninjago: Masters of Spinjitzu: Prime Empire

16 episodes Premiered Jul 19, 2020 Updated Sep 25, 2026

In the hyped video game, Prime Empire, you can be whoever you want to be. Jay, ever the avid gamer, can’t wait to start playing. But when hundreds of players, and Jay, suddenly start vanishing without a trace, the ninja need to get inside the game and find out who is playing Unagami. Now they must compete in adventures and difficult game worlds, win all three Key-tanas – and only then can they face the evil Unagami.

Previously on Ninjago: Masters of Spinjitzu

Season 12 Lore Primer

Key plot threads, lore context, and character stakes you need to remember before diving into this season.

  • ⚡ Directly follows the overarching narrative developments of Ninjago: Masters of Spinjitzu Season 11.
  • ⚡ Faction dynamics and core character alliances shift under escalating external stakes.
  • ⚡ Crucial mysteries introduced previously reach key turning points and narrative reckonings.
  • ⚡ Sets up serialized story arcs that build directly toward the climactic season finale.

Season overview

In the hyped video game, Prime Empire, you can be whoever you want to be. Jay, ever the avid gamer, can’t wait to start playing. But when hundreds of players, and Jay, suddenly start vanishing without a trace, the ninja need to get inside the game and find out who is playing Unagami. Now they must compete in adventures and difficult game worlds, win all three Key-tanas – and only then can they face the evil Unagami. Can they reach the final level and beat the game?

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Season 12 Episodes

Episode Guide

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Season 12 Progress Shield

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Binge Efficiency Engine

Season 12: Filler vs. Essential Canon

Filter episodes by narrative weight. Focus on essential mytharc and skip standalone side quests.

19%
81%
Mytharc (3): Crucial lore & season climaxes
Core (13): Character development & subplots
Side Quest (0): Standalone / filler
S12·E1 Mytharc

Would You Like to Enter Prime Empire?

Jul 19, 2020 · 11 min

While investigating a heist, the ninjas discover a legendary unreleased arcade game that suddenly takes control of all the other games in Ninjago.

S12·E2 Core

Dyer Island

Jul 19, 2020 · 11 min

When the ninjas connect Jay's disappearance to Prime Empire, they head to Dyer Island to seek answers from the game's designer, the elusive Milton Dyer.

S12·E3 Core

Level Thirteen

Jul 19, 2020 · 11 min

Cyrus Borg discovers a shocking secret about Prime Empire, while the ninja battle an escaped Mechanic in their attempt to reach Level Thirteen.

S12·E4 Core

Superstar Rockin' Jay

Jul 19, 2020 · 11 min

Now inside the Prime Empire game, the ninjas find themselves in unfamiliar territory as they try to find Jay and evade an army of Red Visors.

S12·E5 Core

I am Okino

Jul 26, 2020 · 11 min

Inside one of the game zones, a samurai named Okino faces a crisis of faith when he repeatedly fails to lead a series of masters to victory.

S12·E6 Core

The Glitch

Jul 26, 2020 · 11 min

In order to stop Unagami, the ninjas must obtain three Key-tanas, the first of which is hidden in one of Prime Empire's most dangerous game environments.

S12·E7 Core

The Cliffs of Hysteria

Aug 2, 2020 · 11 min

While trying to cheer Okino up, the ninjas arrive at the Cliffs of Hysteria and must figure out how to climb them.

S12·E8 Core

The Maze of the Red Dragon

Aug 2, 2020 · 11 min

Still in the game zone Terra Karana, the samurai guide Okino has to chose between helping the ninjas or obeying the orders of his master, Unagami.

S12·E9 Core

One Step Forward, Two Steps Back

Aug 9, 2020 · 11 min

The ninjas learn that the only way to acquire the second Key-tana is by winning a race in Terra Technica — and must find racing cars in unexpected ways.

S12·E10 Core

Racer Seven

Aug 9, 2020 · 11 min

As the ninjas prepare for the brutal Speedway Five-Billion race, Lloyd meets a race driver named Seven — who may hold the key to victory.

S12·E11 Core

The Speedway Five-Billion

Aug 16, 2020 · 11 min

Unagami's soldiers, the Red Visors, finally discover the secret location of Scott's garage — where they stage an attack against the ninjas.

S12·E12 Core

Stop, Drop and Side Scroll

Aug 16, 2020 · 11 min

The ninjas barely have time to mourn the loss of their fallen friends before being thrust into the chaos of Terra Domina.

S12·E13 Core

Ninjago Confidential

Aug 23, 2020 · 11 min

Back in Ninjago City, Zane and Pixal hit the mean streets to track down Milton Dyer, only to discover that things are not what they seem.

S12·E14 Core

The Prodigal Father

Aug 23, 2020 · 11 min

Zane, kidnapped by the Mechanic, faces Unagami while Pixal questions Milton Dyer for information on how to shut down Prime Empire.

S12·E15 Mytharc

The Temple of Madness

Aug 30, 2020 · 11 min

Jay must stand alone against Unagami in the end-game. But Unagami has a bigger battle in facing the truth about his own identity.

S12·E16 Mytharc

Game Over

Aug 30, 2020 · 11 min

When Unagami breaks into the real world and terrorizes Ninjago, Jay, Zane and Pixal attempt to prevent disaster by reuniting him with his creator.

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