Ian: Tennent and Agyeman are back at the top of there game here with some snappy interplay between the two leads. As previously stated I thought Martha’s family are a lot better here than they were in “Smith and Jones” and Gugu Mbatha-Raw as her sister Tish is actually rather good. I wouldn’t mind seeing her hitch a ride in the TARDIS at some point either.

Daniel: Funnily enough, my wife turned to me during this episode and described Agyeman as having a kind of "rabbit in the headlights" approach to acting. And much as I'd like to argue, I don't think I can. Thank God for Tennant then, who is incredible when the script allows. Despite that, I totally agree that Mark Gatiss steals the episode. It's a spellbinding performance that never hits a duff note. It makes me wonder what sort of a Doctor Gatiss would have been...

Ian: Gatiss is simply wonderful as Professor Lazarus, he’s both humorous and monstrous in equal measure. The best baddie so far this season.

Overall

Ian: A return to form after the terrible two-part Dalek story. This shows how good the series can be with decent writers and less reliance on old villains. The trailer at the end gave us a glimpse of what’s ahead in the rest of the series and it looks like the best could still be to come - Derek Jacobi, John Simm and the return of Captain Jack!

Daniel: Much, much better than the Daleks, and the sort of inconsequential Saturday-night entertainment that Doctor Who excels at when it's done right. Agyeman hasn't quite clicked properly yet, but it took Billy a few episodes. We shall see.

Ian: A little less sonic screwdriver would be nice as well.

Tony: I’d put this one in the success column. However I’ve been vaguely dissatisfied with this season and I think I now know why. Billie Piper was the heart of the show and with her departure, the spark seems to have gone out. There isn’t the same emotional impact that used to be there and Freema Agyeman doesn’t seem able to replicate that. It’s still an entertaining show but it’s dropped several rungs down the ladder.

WooWho returns shortly with "42".