Disclaimer: This review will contain major spoilers for the “Avatar: The Last Airbender” franchise. "Water. Earth. Fire. Air. Long ago, the four nations lived together in harmony. Then, everything...

This review will contain tons of spoilers for “The Owl House” season 3, some spoilers for “She-Ra: Princesses of Power” and even a few spoilers for “Avatar: Legend of Korra.”   The...