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14 Episodes 2011 - 2012
Episode 0
44 mins
When blacksmith Kai's sister, Nya, is kidnapped by the Skeleton Army, a wise martial artist, Sensei Wu, teaches him the ways of Spinjitzu. Together with fellow Ninja Jay, Cole, and Zane, they discover their elemental powers and must save Ninjago from the evil Garmadon.
Episode 1
Fri, Dec 2, 201123 mins
A solitary wanderer meets Kai, a young sword-maker, and his sister Nia in their small farming village right before a terrifying skeleton army arrives, ransacking their shop. The army takes a map hidden by their father years ago and Nya! The wanderer turns out to be Sensei Wu, an old friend of their father's. He promises to help Kai find his sister, but first Kai must become a ninja and master the art of spinjitzu. Kai begins his training and soon meets Sensei Wu's other ninja's, who realize they've all been recruited for very specific skill sets. Long ago, four weapons of spinjitzu were created by a great warrior. When he passed, his sons were tasked with protecting them. However, the older brother, Lord Garmadon, wanted to use the weapons for his own powerful and evil intents. Sensei Wu was forced to banish his brother to the Underworld and hide the four weapons with dragons as guardians. However, Lord Garmadon has recruited an army of skeletons to find the map that will lead them to the four weapons. Sensei Wu needs Kai, Zane, Cole and Jay to use spinjitzu and the Tornado of Creation to find the weapons first. Only then will the world be safe.
Episode 2
Fri, Dec 2, 201123 mins
A solitary wanderer meets Kai, a young sword-maker, and his sister Nia in their small farming village right before a terrifying skeleton army arrives, ransacking their shop. The army takes a map hidden by their father years ago and Nia! The wanderer turns out to be Sensei Wu, an old friend of their father's. He promises to help Kai find his sister, but first Kai must become a ninja and master the art of spinjitzu. Kai begins his training and soon meets Sensei Wu's other ninja's, who realize they've all been recruited for very specific skill sets. Long ago, four weapons of spinjitzu were created by a great warrior. When he passed, his sons were tasked with protecting them. However, the older brother, Lord Garmadon, wanted to use the weapons for his own powerful and evil intents. Sensei Wu was forced to banish his brother to the Underworld and hide the four weapons with dragons as guardians. However, Lord Garmadon has recruited an army of skeletons to find the map that will lead them to the four weapons. Sensei Wu needs Kai, Zane, Cole and Jay to use spinjitzu and the Tornado of Creation to find the weapons first. Only then will the world be safe.

Episode 3
Wed, Jan 25, 201223 mins
Lloyd unlocks a second tribe - The Fangpyres - to help him regain control. The Ninja are busy setting up their new HQ that Zane discovered, but are called to duty when the Fangpyres attack the village where Jay's family lives.

Episode 4
Wed, Feb 1, 201223 mins
After the Fangpyres join forces with the Hypnobrai, Lloyd awakens Pythor - the last remaining snake of the Anacondrai tribe. Pythor steals a map from him that will show him where the remaining two snakes tribes dwell.

Episode 5
Wed, Feb 8, 201223 mins
Lloyd moves in and tries to make nice by helping out with chores, but he just gets in the way. Pythor has awoken the Vipoids and the Constrictaurs and an all out snake war has taken over Ninjago.

Episode 6
Wed, Feb 15, 201223 mins
Pythor declares himself to be the destined leader who will reawaken The Great Devourer - an ancient beast who can't be killed and will consume all of Ninjago.

Episode 7
Wed, Feb 22, 201223 mins
When the four ninja follow the mysterious falcon into the woods, they stumble on a hidden work shop where Zane learns the secret about his past and in the process, he is the first ninja to unlock his true potential.

Episode 8
Wed, Mar 7, 201223 mins
Jay and Nya have to cut their first date in Mega-Monster Amusement Park short as the Serpentine are on their way to retrieve the first or four fang blades to be used to awaken the Great Devourer.

Episode 9
Wed, Mar 14, 201223 mins
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.

Episode 10
Wed, Mar 21, 201223 mins
The ninjas are suspicious when Lord Garmadon moves in to help searching for his missing son - but realize they have to work together in their attempt to rescue Lloyd from the snakes.

Episode 11
Wed, Mar 28, 201223 mins
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.
Episode 12
Wed, Apr 4, 201223 mins
The ninja haste to the lost city of Ouroboros to try to stop Pythor from awaking The Great Devourer but it is a race against time.
Episode 13
Wed, Apr 11, 201223 mins
Disaster threatens as the ninja must fight to defeat the all consuming Great Devourer in a desperate attempt to save Ninjago.