Hhhhmmm Needs a far amount of work...
The Idea and characters seem good, but a lot of work is still needed, mostly with the Sound, as the voices are hard to hear and understand, you Most Certainly Need Sound Effects, and possibly more BG Music. I like the Opening/End theme music though.
You also need to make clearer what is going on, though that will probably be improved a lot more with the sound.
I was also sad the English Girl wasn't in this episode. If she isn't meant to be English, why did she use Bloody and Wanker?
Also, why does that Toaster sound like Zim? I can't imagine it is Zim's actual Voice Actor, but it reminds me so much of his voice, is he trying to sound like Zim, or does it come naturally?
Anyway, improve the sound, make it clearer what is going on, and I'm sure it will grow up to be an awesome series....