By far the best episode of the series, which isn't really that much of a challenge.
I loved the parody elements to it, the way the episode seemed to have moments that were incredibly similar to Buffy The Vampire Slayer (not just the fact that Giles was in it, but more the pace and the feel of the episode) and the parody of old Dr. Who when the solution to the computer problem was SO incredibly simple that it was brilliant.
Add to that the emotion of the reunion of Sarah-Jane and the Doctor, the emotion of the Doctor when he told Rose that he had to always move on, the emotion of K-9 (I was dreading his return but it was done as best as it could be) and the fact that finally, David Tennant has put in a performence that shows he is truely deserving of the role. Before, all he seemed good at was comedy, but he sucked me in with his absorbing performence during the more emotional scenes.
Unfortunately, the only thing that lets it down, at least to me, was the fact that the bad guys wern't developed as much as they could be. This had all the potential to be a brilliant two part episode, and it probably should have been. Instead the show was about the development of the Doctor as a person, and his relationship to Rose. Did anyone else find it interesting that "Torchwood" had stopped Micky from getting the pictures he was after. Torchwood has been in existence since the Victorian days, and yet they've never had trouble getting what they were after. Is there more to come from Torchwood? I don't see much point of puting it in if it doesn't.
Talking of Micky, I think that something VERY interesting might be about to take place with his character. The actor has been dropping in little hints here and there, and the fact that he felt undermined and that he wanted to travel with Rose and the Doctor as well. Interestign since he was adimently against it in the first place.
Unfortunately, next weeks episode lookes a little crap. Having said that, the trailer for this weeks episode really didn't do the episode justice. The next one NEEDS to be good so that Dr. Who can have a bit of momentum going into the Cybermen episode.
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