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Child's Play

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“There comes a time when we all must grow up. When that time comes, it's important not to forget the lessons of our childhood. Because our childhood is the greatest training ground one will ever have.”
Sensei Wu
"Child's Play"
Season 2, Episode 5
Air date August 15th
Episode guide
"Ninjaball Run"
"Wrong Place, Wrong Time"

Child's Play is the fifth episode in the second season of LEGO Ninjago: Masters of Spinjitzu.


The episode begins with the Destiny's Bounty flying over the Jamanakai Village, with Lloyd lamenting that he must train and not play with others or enjoy his youth. Nya then tells the Ninja that Lord Garmadon has been spotted at the Museum.

Once there, Lord Garmadon tells the Serpentine he is going to revive the extinct Grundal in another attempt to destroy the Ninja. As he is using the Mega Weapon, the Ninja watch and then burst in and interrupt the process.

Garmadon leaves in a hurry, while the Serpentine Generals steal a sarcophagus for compensation. The Ninja chase after them, but fall behind. The Generals can't fit the sarcophagus through a manhole with them so they left it behind and escape. The Ninja then realize they have been turned into kids. When the police arrive on the scene, they accuse the Ninja of the theft and take them back to the museum to apologize for their actions. The museum director accepts their apologies, but questions where the Grundal fossil has disappeared to. The Ninja realize the Grundal must have been revived after all, and to escape the cops, the Ninja disguise themselves and run off with some school kids that are on a field trip. The Grundal appears on top of the museum, scaring a crowd of people in the surrounding area.

Sensei Wu and Nya, worried that the Ninja haven't returned yet, leave Lloyd behind to go search for them. As Lloyd is playing a video game, he receives a call from Jay telling him to meet them at a pizza parlor and to bring their weapons. When they meet up, Kai informs Lloyd of the situation and the group wonders what they should do about the Grundal. Lloyd, knowing exactly who would be the most knowledgeable on the creature, brings them to a comic book store and introduces them to the sales clerk, Rufus Macallister. Rufus informs him that illuma-swords would work well, as the Grundal is nocturnal, but the shop only gives them out as a prize for winning a comic book trivia competition. Lloyd leaves a message for Sensei Wu and Nya back at the Destiny's Bounty, quickly telling them of what happened and their current location. Sensei Wu and Nya then go to Mystake for Tomorrow's Tea to turn the Ninja back into their older selves and the Grundal back into bones.

Meanwhile, Lloyd loses the competition (due to the final question being from a last-issue comic that had just sold out) and the Grundal shows up. The Ninja grab the illuma-swords to defend against the Grundal, but because they were meant as props they break easily. Lloyd attempts to take on the monster with his own powers but is quickly knocked aside. Just as the Grundal is about to consume the Ninja, Sensei Wu and Nya arrive with Tomorrow's Tea, tossing it to them and telling them to use it in order to age the creature back into bones, as well as themselves back into their normal states. The Ninja hesitate, realizing it would mean Lloyd growing older as well and missing out on his childhood. Lloyd, accepting the consequences, uses the tea to defeat the Grundal. The Ninja are returned to normal, but now Lloyd has become their age as well. The episode ends with Rufus handing Lloyd his last-issue comic, which he says he has earned. Lloyd declines, saying he already knows how it ends.

The final scene is a comic cover where Lloyd is defensively fighting against his father under a classic comic book font-stylized title of "Green Ninja."



  • When the Ninja are in the comic book store and preparing to fight the GrundalJay picks up Kai's suit instead of his own, but later, he is wearing his own suit.


  • When Lloyd is walking into Buddy's Pizza, there is a TV in the upper left hand corner that is showing Cole, Jay, and Zane doing what they did before they joined Sensei Wu's team (Cole rock climbing, Jay testing out his homemade wings, and Zane meditating underwater in his home village), as shown in a flashback in The Golden Weapon.
  • Zane tells the others that "Nindroids don't dream," but "Never Trust a Snake" began with him having a dream about the Green Ninja. However, he may have been distinguishing between a dream and a vision. Normal dreams do not have significant meaning, but the "dream" in "Never Trust a Snake" revealed that the Green Ninja would have power of all four elements of Spinjitzu.
  • Zane is turned into a kid, despite the fact that he is a robot.
  • When the Ninja are kids, their Spinjitzu seems to be weak, which probably means that the strength of the Spinjitzu tornado depended on the user's age.
    • However, this is an exeption for young Lloyd, who is the strongest of the other Ninja, so it makes sense his Spinjitzu is stronger.
  • This episode uses the "regression" plot, where the adult main characters are regressed into kids.
  • The book dropped by Principle Noble is Captain Soto's journal from "Pirates vs. Ninja."
  • This marks the last time Lloyd appeared in his child form.
  • According to Tommy Andreasen, the sarcophagus the Serpentine try to steal will appear in the series again, presumably after Day of the Departed at the very least.
  • The inaccurate Serpentine painting seen in the museum is based off of concept art for the Constrictai.


Ninjago: Masters of Spinjitzu Episodes
Pilots 1. Way of the Ninja · 2. The Golden Weapon · 3. King of Shadows · 4. Weapons of Destiny
Mini-Movies 1. Secrets of the Blacksmith · 2. Flight of the Dragon Ninja · 3. The New Masters of Spinjitzu · 4. An Underworldly Takeover · 5. Return to the Fire Temple · 6. Battle Between Brothers
Season 1
Rise of the Serpentine
1. Rise of the Snakes · 2. Home · 3. Snakebit · 4. Never Trust a Snake · 5. Can of Worms · 6. The Snake King · 7. Tick Tock · 8. Once Bitten, Twice Shy · 9. The Royal Blacksmiths · 10. The Green Ninja · 11. All of Nothing · 12. The Rise of The Great Devourer · 13. Day of The Great Devourer
Season 2
The Final Battle
1. Darkness Shall Rise · 2. Pirates Vs. Ninja · 3. Double Trouble · 4. Ninjaball Run · 5. Child's Play · 6. Wrong Place, Wrong Time · 7. The Stone Army · 8. The Day Ninjago Stood Still · 9. The Last Voyage · 10. Island of Darkness · 11. The Last Hope · 12. Return of the Overlord · 13. Rise of the Spinjitzu Master
Season 3
1. The Surge · 2. The Art of the Silent Fist · 3. Blackout · 4. The Curse of the Golden Master· 5. Enter the Digiverse · 6. Codename: Arcturus · 7. The Void · 8. The Titanium Ninja
Season 4
The Tournament of Elements
1. The Invitation · 2. Only One Can Remain · 3. Versus· 4. Ninja Roll · 5. Spy for a Spy · 6. Spellbound · 7. The Forgotten Element · 8. The Day of the Dragon · 9. The Greatest Fear of All · 10. The Corridor of Elders
Season 5
1. Winds of Change · 2. Ghost Story · 3. Stiix and Stones· 4. The Temple on Haunted Hill · 5. Peak-a-Boo · 6. Kingdom Come · 7. The Crooked Path · 8. Grave Danger · 9. Curseworld, Part I · 10. Curseworld, Part II
Season 6
1. Infamous · 2. Public Enemy Number One · 3. Enkrypted· 4. Misfortune Rising · 5. On a Wish and a Prayer · 6. My Dinner With Nadakhan · 7. Wishmasters · 8. The Last Resort · 9. Operation Land Ho! · 10. The Way Back
Special Day of the Departed
Season 7
The Hands of Time
1. Hands of Time · 2. The Hatching · 3. A Time of Traitors· 4. Scavengers · 5. A Line in the Sand

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