"Clash on Mystery Mountain" is the first segment of the 15th Season 3 episode of PJ Masks.
Night Ninja tricks Armadylan into stealing An Yu's bo staff and takes control of the Mountain again.
The following characters appeared in the episode "Clash on Mystery Mountain":
This episode article is in need of a synopsis. A synopsis is intended to be a very detailed description of what occurs in the episode.
- Don't get tricked.
- You should stand up for yourself no matter what anyone says.
- This is the nineteenth appearance of Mystery Mountain.
- Its previous eighteen appearances were in the episodes "Race Up Mystery Mountain", "The Mountain Prisoner", "Gekko Vs. the Splatcano", "Wolfy Mountain", "Flight of the Ninja", "Armadylan Zen", the short "Masters of the Mountain", "Werejalinos", "Teacher Goes Ninja", "Lionel's Powers", "Meet An Yu", "The Secret of the Pagoda", "Storm of the Ninja", "The Splat Monster", "Wheels of a Hero", and the shorts "PJ Rovers", "An Yu's Bird Rescue", and "PJ Masks Surprise".
- This is the fourth time Night Ninja doesn't appear with his Ninjalinos (other than Teeny Weeny).
- Armadylan meets An Yu for the first time.
- An Yu's dragon form appears for the third time.
- Her dragon form's previous appearances were in "The Dragon Gong" and "Meet An Yu".
- Teeny Weeny says "Time to be a hero" for the first time.
- This is the third time the inside of the pagoda is seen.
- The first time was "The Secret of the Pagoda".
- The second time was "Storm of the Ninja".
- The Dragon Gong is seen for the fourth time.
- Its first appearance was in "The Dragon Gong", the second was in "Meet An Yu", and the third was in "Storm of the Ninja".
- Teeny Weeny is the second (former) villain to say "Time to be a hero."
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