Ninjago: Masters of Spinjitzu: Seabound

2021
16 episodes

When Nya's powers are disrupted, the Ninja set off in search of answers and find themselves at the bottom of endless oceans where they discover that her powers are linked to an ancient mythical creature.

Seabound of Ninjago: Masters of Spinjitzu premiered on April 4, 2021 and has 16 episodes, from "A Big Splash" to "The Turn of the Tide". The last episode aired on May 23, 2021.

Where to watch Ninjago: Masters of Spinjitzu

In the United States, you can stream Ninjago: Masters of Spinjitzu on Netflix and Peacock. It is also free on Hoopla, Spectrum On Demand, Pluto TV and Tubi TV. You can also buy it on Amazon Video, Apple TV Store and Fandango At Home. It is on streaming services in 124 countries.

Where to watch

Episodes

Episode 1A Big SplashAired April 4, 2021
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.
- 10m
Guest stars
- Kelly Metzger Nya (voice)
- Michael Adamthwaite Jay (voice)
- Brent Miller Zane (voice)
- Kirby Morrow Cole (voice)
- Jillian Michaels Maya (voice)
- Vincent Tong Kai / Ray (voice)
- Sam Vincent Lloyd (voice)
- Paul Dobson Wu / Henchman 1 (voice)
Episode 2The Call of the DeepAired April 4, 2021
Maya attempts to take charge of Nya's life to solve her problems. Zane and Pixal respond to a distress call at sea.
- 10m
Guest stars
- Paul Dobson Wu (voice)
- Michael Adamthwaite Jay (voice)
- Brent Miller Zane (voice)
- Kirby Morrow Cole (voice)
- Brian Drummond Captain (voice)
- Jillian Michaels Maya (voice)
- Jennifer Hayward Pixal (voice)
- Kathleen Barr Misako (voice)
Episode 3UnsinkableAired April 11, 2021
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.
- 10m
Guest stars
- Paul Dobson Wu (voice)
- Kelly Metzger Nya (voice)
- Michael Adamthwaite Jay (voice)
- Brent Miller Zane (voice)
- Kirby Morrow Cole (voice)
- Jillian Michaels Maya (voice)
- Jennifer Hayward Pixal (voice)
- Vincent Tong Kai / Ray (voice)
Episode 4Five Thousand Fathoms DownAired April 11, 2021
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.
- 21m
Guest stars
- Kelly Metzger Nya (voice)
- Michael Adamthwaite Jay (voice)
- Brent Miller Zane (voice)
- Jillian Michaels Maya (voice)
- Jennifer Hayward Pixal (voice)
- Giles Panton Kalmaar (voice)
- Sam Vincent Lloyd / Glutinous (voice)
Episode 5The Wrath of KalmaarAired April 18, 2021
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.
- 10m
Guest stars
- Kelly Metzger Nya (voice)
- Michael Adamthwaite Jay (voice)
- Brent Miller Zane (voice)
- Jillian Michaels Maya (voice)
- Jennifer Hayward Pixal (voice)
- Giles Panton Kalmaar (voice)
- Sam Vincent Lloyd / Glutinous (voice)
- Brian Drummond Gripe (voice)
Episode 6Long Live the KingAired April 18, 2021
After Nya and Maya's rescue, the ninjas are escorted to Merlopia to face King Trimaar. However, a betrayal turns the ninjas into fugitives.
- 10m
Guest stars
- Kelly Metzger Nya (voice)
- Brent Miller Zane (voice)
- Jillian Michaels Maya (voice)
- Jennifer Hayward Pixal (voice)
- Giles Panton Kalmaar (voice)
- Sam Vincent Lloyd / Glutinous (voice)
- Brian Drummond Gripe (voice)
- Ron Halder King Trimaar (voice)
Episode 7Escape from MerlopiaAired April 25, 2021
The ninjas survive the palace flooding — but are pursued by ripper sharks. Benthomaar comes to help and leads them to the hangar bay.
- 10m
Guest stars
- Michael Adamthwaite Jay (voice)
- Jillian Michaels Maya (voice)
- Jennifer Hayward Pixal (voice)
- Sam Vincent Lloyd (voice)
- Giles Panton Kalmaar (voice)
- Brian Drummond Gripe (voice)
- Cole Howard Benthomaar (voice)
- Kelly Metzger Nya / Automated Computer Voice (voice)
Episode 8The Tale of BenthomaarAired April 25, 2021
A flashback tells the tale of Benthomaar, revealing how King Trimaar finds him as a baby and raises Benthomaar as his own.
- 21m
Guest stars
- Kelly Metzger Nya (voice)
- Michael Adamthwaite Jay (voice)
- Sam Vincent Lloyd (voice)
- Giles Panton Kalmaar (voice)
- Brian Drummond Gripe (voice)
- Ron Halder King Trimaar (voice)
- Cole Howard Benthomaar (voice)
Episode 9The Storm AmuletAired May 2, 2021
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.
- 10m
Guest stars
- Kelly Metzger Nya (voice)
- Michael Adamthwaite Jay (voice)
- Brent Miller Zane (voice)
- Kirby Morrow Cole (voice)
- Jillian Michaels Maya (voice)
- Jennifer Hayward Pixal (voice)
- Paul Dobson Chief Mammatus (voice)
- Vincent Tong Kai / Head Two (voice)
Episode 10Riddle of the SphinxAired May 2, 2021
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.
- 10m
Guest stars
- Kelly Metzger Nya (voice)
- Brent Miller Zane (voice)
- Kathleen Barr Misako (voice)
- Vincent Tong Kai / Ray (voice)
- Sam Vincent Lloyd (voice)
- Ian James Corlett Clutch Powers (voice)
- Michael Adamthwaite Jay / Smythe (voice)
- Paul Dobson Wu / Cecil Putnam (voice)
Episode 11PapergirlAired May 9, 2021
As Kalmaar and the ninjas wage a battle in Ninjago City, the storm amulet ends up in the possession of a determined paper girl.
- 10m
Guest stars
- Paul Dobson Wu (voice)
- Kirby Morrow Cole (voice)
- David Raynolds Nelson (voice)
- Vincent Tong Kai / Ray (voice)
- Brynna Drummond Antonia / Paperboy 1 (voice)
- Kelly Metzger Paperboy 2 (voice)
- Tabitha St. Germain Sammy (voice)
- Giles Panton Kalmaar / Jimmy (voice)
Episode 12Master of the SeaAired May 9, 2021
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.
- 10m
Guest stars
- Paul Dobson Wu (voice)
- Kelly Metzger Nya (voice)
- Michael Adamthwaite Jay (voice)
- Brent Miller Zane (voice)
- Kirby Morrow Cole (voice)
- Jillian Michaels Maya (voice)
- Kathleen Barr Misako (voice)
- Vincent Tong Kai / Ray (voice)
Episode 13The Calm Before the StormAired May 16, 2021
The doomsday serpent, Wojira, rises from the sea. In Ninjago City, Glutinous emerges from the water with a dire warning.
- 10m
Guest stars
- Paul Dobson Wu (voice)
- Brent Miller Zane (voice)
- Brian Drummond Captain (voice)
- Kelly Sheridan Gayle Gossip (voice)
- Jennifer Hayward Pixal (voice)
- Michael Donovan Police Commissioner (voice)
- Giles Panton Kalmaar (voice)
- Sam Vincent Lloyd / Glutinous (voice)
Episode 14Assault on Ninjago CityAired May 16, 2021
The ninjas leap into action after Kalmaar and Wojira arrive in Ninjago City, bringing a tsunami that floods the entire city.
- 10m
Guest stars
- Paul Dobson Wu (voice)
- Alan Marriott Dareth (voice)
- Kelly Metzger Nya (voice)
- Michael Adamthwaite Jay (voice)
- Brent Miller Zane (voice)
- Kirby Morrow Cole (voice)
- Kelly Sheridan Gayle Gossip (voice)
- Jennifer Hayward Pixal (voice)
Episode 15NyadAired May 23, 2021
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.
- 21m
Guest stars
- Paul Dobson Wu (voice)
- Kelly Metzger Nya (voice)
- Michael Adamthwaite Jay (voice)
- Brent Miller Zane (voice)
- Vincent Tong Kai (voice)
- Kirby Morrow Cole (voice)
- Jennifer Hayward Pixal (voice)
- Michael Donovan Police Commissioner (voice)
Episode 16The Turn of the TideAired May 23, 2021
Kalmaar's temper proves too much for Wojira to handle during battle while the ninjas try to help Nya fulfill her destiny.
- 10m
Guest stars
- Paul Dobson Wu (voice)
- Kelly Metzger Nya (voice)
- Michael Adamthwaite Jay (voice)
- Vincent Tong Kai (voice)
- Kirby Morrow Cole (voice)
- Jillian Michaels Maya (voice)
- Sam Vincent Lloyd (voice)
- Giles Panton Kalmaar (voice)