Board Thread:Questions and Answers/@comment-38413232-20190311233813/@comment-38946260-20190327204149

Aaronbill3 wrote:
 * 1) Impossible. The reboot Trix can ONLY access 10 aliens at once, because that is all the loading bay can handle.
 * See: Omni-Tricked, 11th Alien, and Innervasion.
 * 1) A show cannot change art style half way through.
 * 2) Most of the voice cast is returning actors from previous series.
 * 3) Fair criticism, but the reboot already has a mix of comedy and action.
 * 4) There's no real point to the original sound effects, but I suppose it could be done when the Omnitrix gets upgraded next.
 * 5) They're way ahead of you
 * 6) Transformation scenes vary from episode to episode, and some of them do resemble OS transformations.
 * 7) They're not going to change theme song part way through the series.

Your first statement The Reboot can handle more then 10 aliens but the creators just choose to cap him at that limit and they don't give a reason why other aliens were removed. The reboot is pretty much how 4Kids handled One Piece.