Seasons & episodes
S15 · E1A Big Splash 2021-04-04 · 10 min
The ninjas ambush a new villain named Miss Demeanor. Nya creates a water cyclone to stop her but loses control of it, threatening a nearby village.
S15 · E2The Call of the Deep 2021-04-04 · 10 min
Maya attempts to take charge of Nya's life to solve her problems. Zane and Pixal respond to a distress call at sea.
S15 · E3Unsinkable 2021-04-11 · 10 min
Nya, Jay, Zane, Pixal and Lloyd board a new submarine, the Hydro Bounty, and set off to find the source of the energy signal disrupting Nya's powers.
S15 · E4Five Thousand Fathoms Down 2021-04-11 · 21 min
Nya and Maya use underwater suits to travel to an ancient temple after they realize its power source is the only way to get the Hydro Bounty running.
S15 · E5The Wrath of Kalmaar 2021-04-18 · 10 min
Nya and Maya attempt to get out of a tough predicament. Meanwhile, Jay risks his life while trying to restore power to the Hydro Bounty.
S15 · E6Long Live the King 2021-04-18 · 10 min
After Nya and Maya's rescue, the ninjas are escorted to Merlopia to face King Trimaar. However, a betrayal turns the ninjas into fugitives.
S15 · E7Escape from Merlopia 2021-04-25 · 10 min
The ninjas survive the palace flooding — but are pursued by ripper sharks. Benthomaar comes to help and leads them to the hangar bay.
S15 · E8The Tale of Benthomaar 2021-04-25 · 21 min
A flashback tells the tale of Benthomaar, revealing how King Trimaar finds him as a baby and raises Benthomaar as his own.
S15 · E9The Storm Amulet 2021-05-02 · 10 min
The ninjas return to the island of the Keepers and ask their leader to keep an amulet safe in Ninjago City — but they make a surprising discovery.
S15 · E10Riddle of the Sphinx 2021-05-02 · 10 min
Kai, Ray, Cole, Wu, and Misako receive Nya's warning and rush to the Explorer's Club. Benthomaar encourages Nya to use her power in a surprising new way.
S15 · E11Papergirl 2021-05-09 · 10 min
As Kalmaar and the ninjas wage a battle in Ninjago City, the storm amulet ends up in the possession of a determined paper girl.
S15 · E12Master of the Sea 2021-05-09 · 10 min
Benthomaar tells Nya the tale of Nyad. Meanwhile, Master Wu, Kai, Cole, Ray, and Misako try to keep Kalmaar from taking off with the storm amulet.
S15 · E13The Calm Before the Storm 2021-05-16 · 10 min
The doomsday serpent, Wojira, rises from the sea. In Ninjago City, Glutinous emerges from the water with a dire warning.
S15 · E14Assault on Ninjago City 2021-05-16 · 10 min
The ninjas leap into action after Kalmaar and Wojira arrive in Ninjago City, bringing a tsunami that floods the entire city.
S15 · E15Nyad 2021-05-23 · 21 min
Overpowered by Wojira, the ninjas retreat to the NGTV building to regroup. Nya might make a decision that she may never be able to come back from.
S15 · E16The Turn of the Tide 2021-05-23 · 10 min
Kalmaar's temper proves too much for Wojira to handle during battle while the ninjas try to help Nya fulfill her destiny.