I rather liked this episode. Although a few of things: Do dungeon-y, jail places always have to be dark, foreboding and have smoke everywhere? And how on earth does a race like the Ood come about -- a random extra brain (and a bloody big one) popping up. That's quite the feat in the creation of life department. And that's quite some sneeze that Mr Darling (can't remember his name in this episode) gave to spit out his own brain
I agree to some degree about the very neat ending -- everyone's heard your song and now all the Ood are being sent home. Yay! After having slaves all across the three galaxies, I doubt they're going to be given up
that easily -- the Empire took its time in being broken down the first time around
And woot, I'm almost back on track with the Who watching now.