This is exactly what you'd expect from a Jack The Ripper Doctor Who episode. The Doctor and companions land during a famous historical event, alien happens to be the reason behind said event, Doctor and co can't interfere...

I really love the tense atmosphere of this strip, and the creepy design of the alien that's revealed to be Jack The Ripper. The codenames the Doctor's companions take are pretty funny too - Amy Pond is Miss Marple and Rory Williams is Inspector Clouseau, two of course very iconic detectives.

This is basically The Fires of Pompeii for Amy Pond. She really gets to challenge the Doctor here, and why he can't just save one person from a terrible fate. It's such a fantastic exploration of the dilemma of 'What would you do if you knew the fate of somebody destined to die?'...and then the comic story goes and puts a twist in the tale later into the story. Brilliant stuff.

This is such an inspired and unique take on the historical. Here, everything is in flux and you have no idea who's safe anymore - even Amy is in danger, as history changes so she becomes one of Jack the Ripper's victims. You're on tenterhooks throughout this issue wondering how the Doctor and Rory are going to solve this, and that's no mean feat when usually you know that the Doctor/companions will survive anyway, because it's not the TV Show and they're still around on TV.