because cartoon network only had the licenceing to show so many of the eps.
I remember when it was on fox kids and it only ever showed 1 and half seasons repeadildy -_-
Because she was shot and killed. Not really, it just got cancelled over time. Now that Cartoon Network has terminated Toonami almost a year ago, there's no chance that they will ever show it. Cartoon Network has sure made a lot of unnecessary changes lately.