* NamesTheSame: Skales can be called General Skales, but he is not to be confused with [[VideoGame/StarFoxAdventures General Scales]].
* ShortRunInPeru: The entirety of season 7 aired everywhere else in the world in early 2018 (with Finland being the first to do so in January) ''except'' English-speaking countries. The [=USA=] ended up being the last country to air the episodes in May. This instance is particularly notable since even the show creators expressed frustration about having to wait for Cartoon Network to broadcast them, not to mention the fact that the episodes are usually dubbed in English before being translated into other languages.
* ShowAccuracyToyAccuracy: Kai's hairpiece in the ''Rebooted'' sets slightly differs from the show, being less "sharp" and covering the head a bit more. This was presumably done due to the difficulty in replicating the show's hairstyle (which covers the head less and sticks up a bit differently.). Everybody else's hairpieces in the toyline, however, are accurate to the series, due to all of the pieces having been used before.
* TalkingToHimself: Creator/BrianDrummond plays both Kruncha and Nuckal; the two skeletons who are never found without each other and are always arguing. This is especially entertaining in the short "The New Masters of Spinjitzu", as it focuses on them with only two lines spoken by others. Bet that was fun to record.
** There are two cases of ninjas having the same voice actors as their parents: Creator/KirbyMorrow voices both Cole and his father Lou, while Vincent Tong voices both Kai and his father Ray.
** Subverted in the case of Creator/ScottMcNeil, who does the voice of the Overlord as well as Nadakhan the Djinn a few seasons later, though the two never meet.
* WhatCouldHaveBeen: Zane's name was originally going to be Whitman.
** Likewise, Kai was originally called Dante.
** Nya was going to be called Aya and she would have been the master of air.
* WritingByTheSeatOfYourPants: The main show writers, the Hageman brothers, admitted in a interview with Creator/BrentMiller to doing this in seasons 1-3 due to the show's fast-paced production schedule at the time.
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