Wow, thanks LIT! I didn't know that! That's awesome!
I read the article and apparently the 10 micro-episodes that make up the prelude episode are used as part of an interactive game on the Disney X D website. I think originally they were going to play 10 three-minute "micro-sodes" leading up to the series. I think that was where I got the "10 part miniseries" idea from.
Then they decided to play them all in a single prelude episode, "Beck's Beginning". I thought I saw some news story after it aired that said the series would be 10 episodes, so I think that's where I got confused.
But now we know we get 18 EPISODES! WOO HOO!! I sure hope Disney gets the response they are looking for, and more! I want TR3N!!