Wow, I'm agree with most of you, this would be the best episode of the series if done! Our characters seems to finally got some more plot for themselves as they figth a new brand enemy. And that's not all...
Callie and Jake dating!?
Feral proposing marriage!?!?
Manx losing a donation!?!?!? Oh, wait, that's not new

I like the episode a lot, every possible way. But as you said, it has some flaws in the plot. For example, I can't see Feral being in love that badly... It doesn't fit him!
Another detail I like is Jake liking orchesta. It comes to me a scene of him with headphones listening to it while Chance is Rock 'n Rolling next to a stereo xD Maybe sometime I'll try drawing it...