Season 1

Plot: Lloyd Garmadon, aka the Green Ninja, assembles a team to defeat the Elite Samurai.

Episode Name Air Date Episode Info
A New Beginning: Part 1 7/23/12 Lloyd Garmadon begins his journey to find the next Protectors of Ninjago.
A New Beginning: Part 2 7/30/12 The Ninja begin their training at the monastery, but the Nindroids attack.
Terrible Timing 8/6/12 After a terrible training lesson, the Ninja get a call to Ninjago.
The Truth Really Does Hurt 8/13/12 Lloyd reveals the truth about his destiny.
Lesson of Pain 8/20/12 The ninja must learn to defeat an enemy without using force.
Judging the Impossible 8/27/12 The Ninja interrogate one of the Elite Samurai's Nindroids, who reveals his master's true plan.
A Sacred Weapon 9/3/12 The Omega Weapon's true power is released.
Who Knows the Answer? 9/10/12 The future holds more to the ninja then they thought, and it destroys their trust.
I Hate Being a Ninja 9/17/12 After going solo, the ninja must unite to face a common threat.
Open the Door to Doom 9/24/12
Trouble at the Mill 10/1/12
Fate of a Weakling 10/8/12
A Spirit Guide 10/15/12
No Chance to Win 10/22/12
Annoyance to the World 10/29/12
There's Always Hope 11/5/12

Season 2

Plot: With the Elite Samurai defeated, Lord Garmadon emerges from hiding in a final battle with the new ninja.

Episode Name Air Date
Hero's Challenge 1/7/13
A Battle of Fates: Part 1 1/14/13
A Battle of Fates: Part 2 1/21/13
Another Chance for a Fight 1/28/13
Who is the Best Ninja? 2/4/13
The Prophecy 2/11/13
Revival 2/18/12
Can Anyone Save Us? 2/25/13
Year of the Skeletons 3/4/13
Revealing the Gold Ninja 3/11/13
Dawn of the Ultimate Skeleton: Part 1 3/18/13
Dawn of the Ultimate Skeleton: Part 2 3/25/13
Another Fate 4/1/13
The Future 4/8/13

Season 3

Plot: The Ninja Face a new enemy, the old ninja themselves.

Episode Name Air Date
Darkness Shall Devour: Part 1 6/3/13
Darkness Shall Devour: Part 2 6/10/13
Reboot 6/17/13
World Without Ninja 6/24/13
Pirate's Revenge 7/1/13