Izzie has vanished into the dream world, and the dream chasers struggle to maintain normalcy in the waking world while secretly searching for her.
The dream chasers stumble upon the fabled Crown of Control with surprising ease, thanks to an unexpected encounter with the King of the Creatures.
The Never Witch's ambitions have darkened, leading her to target the Grim Realm. In an unlikely alliance, the dream chasers must join forces with the Nightmare King and his grimspawn minions.
A Dilophosaurus runs loose in the park's hotel, and Owen and Claire must find it before the guests notice - and before Vic's dino-hunting security team can damage the hotel and the guests.
Zane takes help from Nya for backup memories of their adventures to the Samurai X Cave computer, but Zane encounters a mysterious puzzle buried deep within his code. Nya digitizes Jay and uploads him into Zane's mind. Jay reviews memories of the Ninja's various motorcycles, mechs and planes in order to solve the vehicle-themed puzzle.
Arin nurses Ras back to health as they continue his training, meanwhile their trail leads the Ninja into more danger.
The Ninja follow a clue to Arin's location but find a new threat, while Nya, Kai and Wyldfyre spark old grudges in their search for Jay.
Practicing for the local snow lodge's big snowboard race, Mia has an accident and hurts her ankle. She insists it's no biggie, but when she tries to resume practice, the normally fearless Mia finds she's now terrified of snowboarding! At the local snow lodge's Snowboard Meet, ace snowboarder Mia, trying to raise money for a new Heartlake City animal shelter, enters the fiercest race of all – the Boardercross. Then, while practicing, she has an accident and hurts her ankle. She insists it's no big deal, but once she heals and tries to resume practice, the usually fearless Mia finds she's now terrified of snowboarding! With the help of her Friends, she tries hard to overcome her fear, but her nightmarish visions of snowboard monsters and jeering snowmen have her shaking in her bed. She backs out of the race, disappointing her Friends and herself. Finally, when an avalanche traps Fiona, Mia is forced to overcome her fears and race to the rescue.
Owen falls prey to the toxin of a poisonous prehistoric jungle flower and believes he's a raptor.
The Wolves have become strong because of the stolen CHI. And now they are stealing even more. Soon all the other tribes of CHIMA have none. Laval and Eris must find a new, clever and “Wolf proof ” way to get CHI to the tribes.
Spider-Man and Marvel's Super Heroes take on a mischievous Loki and a team of super villains in an all-new LEGO adventure
The ninja and Sensei Wu try to infiltrate the Serpentines' inner sanctum and walk right into a trap, and when Lloyd's rescue mission fails, there is only one person who can help them, namely the evil Lord Garmadon – but can they trust him?
Olly about how his obsession is affecting their relationships. Olly refuses to see the damage he's causing, but it becomes clear that he's lost touch with what really matters.
Laval and Li'Ella's relationship grows as he gives her a tour of the Lion City. But distracted, he misses a key battle against the Hunters. Tormak joins the fight and saves the day. But the Lion King Lagravis is captured and brought to the Ice Fort. Who will lead the Lions now?!?
Something mysterious lurking the jungle wrecks a construction site, and Hudson is convinced a ghost is responsible - but it might be something even more surprising.
Cragger angers the Gorilla tribe and they march to the Crocodile Swamp to teach him a lesson. But the Gorilla Mechs are not fit for the swampy water and the Lions and Eagles must come to the rescue. The only problem is that the Lions don't like water ... at all!
The NEXO-Knights must fight Jestro's Monsters of Destruction which are attacking all over the Kingdom. But Merlok smells a trap…is he right? In a dark, destroyed part of the kingdom, Jestro arrives at the ruins of a HUGE castle. The Book of Monsters knows this place: the great evil wizard Monstrux lived here. The Book sniffs out some powerful magic in the ruins: “The Book of Destruction.” With this, The Book tells Jestro they can destroy the NEXO-Knights and then attack the King's Castle and cause massive destruction. Jestro creates destructive monsters and sends them all over the realm, so the Knights must separate and fight single combats all over the place. The Knights lose these battles (lesson: they have to work as a team!) And, just when the Knights are scattered across the Kingdom, Jestro attacks the King's Castle! It looks like all is lost. When Aaron, who has escaped, returns to see Jestro's attack, he realizes he must gather his fellow Knights. Merlok says it's very dangerous, but Aaron says he must take the risk to gather the Knights and save Knighton.
Loki arrives at Avengers Tower declaring he wants to be an Avenger. Our heroes are skeptical, but Iron Man decides to make Loki an ”Avenger In Training”. It's a great plan until Thanos arrives on Earth looking for Loki
The four ninja go undercover as a dance troupe and enter a talent contest in their quest to win “The Blade Cup” where one of the fang blades is hidden.
Nova pulls off a series of pranks, leaving her friends scrambling and laughing. However, things take a dark turn when one of her pranks goes awry and sends the group into a terrifying situation.