|"I brought my research on the prophecy of the Green Ninja. I thought maybe we could go over it together."
It is currently unknown if this topic can be considered canon. You can help by examining the relevant installment to see whether it contradicts the TV series.
The ninjas' beloved Master Wu is back to his (literally) old self and is training the ninja again as the Monastery of Spinjitzu is being rebuilt. But when one of the workers accidentally activates an ancient and dangerous artifact, the ninja will have to spring into action to save the day! An awesome, original story that comes with one sheet of stickers!