Based on a line of popular toys, this limited series features four ninja warriors - Kai, Zane, Cole and Jay - battling dark Lord Garmadon and his skeleton army. The warriors are willing to go to the depths of the underworld to retrieve the fabled golden weapons of Ninjago.
While investigating a heist, the ninja discover Prime Empire, a legendary arcade game that takes control of all other games in Ninjago. (1 of 16)
When the ninja connect Jay's disappearance to Prime Empire, they set out to Dyer Island to seek answers from the game's designer, the elusive Milton Dyer. (2 of 16)
Cyrus Borg discovers a shocking secret about Prime Empire, while the ninja battle an escaped Mechanic in their attempt to enter the game themselves. (3 of 16)
Now inside the Prime Empire, the ninja find themselves in unfamiliar territory as they try to find Zane and escape Unagami's army. (4 of 16)
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. (5 of 16)
In order to stop Unagami, the ninja must obtain three Key-tanas, the first of which is hidden in Terra Karana - one of Prime Empire's most dangerous environments. (6 of 16)
While being chased by Unagami's dreaded Red Visors, the ninja must climb the Cliffs of Hysteria. And things get worse when they make a startling discovery. (7 of 16)
Still in the game zone Terra Karana, Okino has to choose between helping his allies or obeying the evil orders of his Master, Unagami. (8 of 16)
The ninja have to find cars in unexpected ways when they discover the only way to get the second Key-tana is by winning a race in Terra Technica. (9 of 16)
As the ninja prepare for the brutal Speedway Five-Billion race, Lloyd meets a driver named Racer Seve who is programmed to lose, but who may hold the key to victory. (10 of 16)
The Red Visors discover the secret location of Scott's garage and attack the ninja. Can they escape and enter the spectacular Speedway Five-Billion? (11 of 16)
Stop, Drop, And Side-Scroll: The ninja are thrust into the madness of Terra Domina, where Lloyd will have to face an old adversary from his past. (12 of 16)
Back in Ninjago City, Zane and Pixal hit the streets to track down Milton Dyer and discover that things are not what they seem. (13 of 16)
Kidnapped by the Mechanic, Zane faces Unagami. Master Wu fights to free Zane, while Pixal questions Milton Dyer for information. (14 of 16)
Jay must stand alone against Unagami in the end-game, yet Unagami has a bigger battle in facing the truth about his own identity. (15 of 16)
Unagami breaks into the real world and terrorises Ninjago City while Jay, Zane and Pixal attempt to prevent disaster. (16 of 16)
The Worse Rescue Ever: The ninja attempt to rescue Cole, but the bickering of his fellow prisoners alerts the Skull Sorcerer to the ninjas' presence. (3 of 16)
In order to escape the Skull Sorcerer's chain-gang, the ninja must convince the Munce and Geckles to put aside their distrust and work together... (4 of 16)
Jay, Nya and Lloyd are led deep into the Mines of Shintaro by Murt, who brings them back to the Munce 'Home-Cave' - a settlement deep in the mountain. (5 of 16)
The battle for the fate of Shintaro Mountain comes to a stunning conclusion! (16 of 16)