I thought the "Jesus Doctor" stuff was a fucking cop-out. And, the "old Doctor" gremlin thing was just a waste of special effects. I don't know why RTD has to bizzarro it out like that. But, for all the weakness of this episode, the preceding two before it more than make up.

And don't worry. Martha is going to Torchwood Season Two for a few episodes, and then she'll be back next season on Who...