* Casting Changes: During the early stages of production, the pilot was screened for studio executives and potential investors. Mitchell's voice-over was used in this version. However, after feedback and further discussions, the production team decided to make some casting changes, including the voice of Aang.
* Voice Acting Style: Mitchell's voice-over was described as being more "adult" and didn't quite capture the playful, youthful energy that the creators envisioned for Aang.
* Finding the Right Fit: Zach Tyler Eisen, who ultimately voiced Aang, brought a unique energy and innocence to the role, which resonated more closely with the show's overall tone and Aang's character.
It's important to note that Mitchell's voice-over wasn't considered "bad" per se, but rather it wasn't the perfect fit for the character after further development and creative direction. The change in voice actor was part of a larger effort to refine the show's overall tone and characterization.
You can still find clips of the pilot episode with Mitchell's voice-over online, giving you a glimpse of what might have been!