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Private Notes
In the wake of Overlord's defeat, Ninjago City is reborn and the ninjas teach at Sensei Wu's academy. But the peace doesn't last long.
After being pursued to Sensei Garmadon's monastery by the Nindroids, the ninjas sneak back into Ninjago City under the guise of a circus train.
Zane gives up half his power to save P.I.X.A.L. just as foes attack from all sides. Meanwhile, Lloyd and his father travel to Hiroshi's Labyrinth.
Underneath Ninjago City, the ninjas discover secrets about the Serpentine when they fight alongside them against the Nindroids.
