Rewriting the Avatar Aang movie

I'm glad to see new animated material in the Avatar franchise, but it also has writing holes that can easily be patched.

Image source: Movie poster

---

Kamen Rider's Cross of Fire

The central theme of the long-running franchise is revealed only in a bonus episode four decades later.

Image source: Kamen Rider Wizard, Episode 53 "Neverending Story"

---

Political system of Equestria

The setting of My Little Pony: Friendship is Magic is known for being sunshine and rainbows, often literally. However, inexplicitly, there's a lot shown regarding the social structure and legal system that will likely be missed by younger viewers.

Image source: Reddit (edited artwork from The Art of My Little Pony: The Movie)

---