Neil Gaiman writes about the Cybermen. That should be sufficient for a review of this week’s Doctor Who, but I guess I’ll give you more than that.
This week the Doctor and Clara bring along Angie and Artie (the children Clara nannies for) on an adventure to Webley’s World of Wonders, the universe’s greatest theme park. The park is currently shut down and abandoned and under military occupation.
The Doctor and his companions run into Webley, the owner, and he takes them on a tour. One of the features of the tour is 
several deactivated Cybermen, which have been defeated and exterminated thousands of years ago. One of these Cybermen is a chess playing machine that never loses. Turns out it is actually operated by Porridge, a chess champion. Clara wants to go home as the kids have had their fun, but the Doctor decides to stay because there are several “funny insects” that turn out to be Cybermites. The Cybermites reactivate the Cybermen and then abduct Webly, Angie and Artie.
The platoon stationed on the planet are a punishment platoon, so not very good at fighting or have much supplies to fight off cybermen. Clara is warned not to let the Captain blow up the planet because “everybody lives.” The Doctor puts Clara in charge and goes to save Angie and Artie. The Doctor finds the children under the control of the Cybermen and Webley halfway converted. The Doctor learns that the Cybermen have slowly been rebuilding themselves, and in their upgrades they are able to infect the Doctor.
The Doctor then has a battle for control of his mind with the Cyber-Planner (or Mr. Clever as he calls himself). Mr. Clever challenges the Doctor to a game of chess for control over the Doctor’s brain.
While the Doctor competes for control over his brain, Clara and the soldiers take refuge in a castle and begin to fight off the Cybermen. They seem to be unbeatable, with their limited weapons. After Mr. Clever destroys the trigger for the bomb that would blow up the planet, the Doctor tells him that he can beat him at the chess game in 3 moves. Mr. Clever shuts down all of the Cybermen and uses all of their processing power to figure out the Doctor’s strategy. The Doctor reveals that this is a bluff and is able to destroy the cybermites while Mr. Clever is distracted. 
The Cybermen reactivate and it is revealed that Porridge is the missing Emperor of he universe. Porridge activates the bomb and they are all transported off the planet, destroying the Cybermen.
Nightmare in silver is fun and scary, so pretty much everything Doctor Who should be. Gaiman’s goal was to make the Cybermen scary again, and he succeeded. The Cybermen have upgraded. Absorbing massive electrical charges, adapting instantly to new situations, and they’re fast. No more slow moving metal, these Cybermen move faster than a blink of an eye. The new design of the Cybermen also makes them look more human. More shiny and sleeker than before, they move less awkwardly.
Matt Smith showed off some fantastic acting with The Doctor’s brain being occupied by two people.We also got some throwbacks to previous Doctors with Mr. Clever spouting off catchphrases such as “Fantastic” and “Allons-y” from previous Doctors. And can I just say, Mr. Clever just the kind of name the 11th Doctor would come up with. It may have been the Cyber-Planner but the choice of “Mr. Clever” is completely influenced by the Doctor’s personality. It’s that kind of tiny detail that made this episode great. And how pretty was the inside of the Doctor’s head with all of that Gallifryan? Amazing work there.
Mr. Clever also tells Clara she is “the impossible girl” and that they Doctor thinks about her a lot. Mr. Clever might be under the impression that the Doctor is in love with Clara, but he is probably just confusing The Doctor’s curiosity with THAT kind 
of love (Though maybe you could make that argument but that’s another can of worms).
The Doctor seems to be thinking about Clara very much and trying to figure her out, while the viewers don’t have any idea, the Doctor seems to have some small inkling. At the end of the episode the Doctor is wondering aloud about what Clara is and comments that she’s “wound a little too tight.” Which means absolutely nothing to the viewers, but apparently something to The Doctor.
All in all Nightmare in Silver is a great episode, while not “classic” like Gaiman’s previous episode “The Doctor’s Wife,” it was still whimsical, scary, exciting, fun and gave us some clues for what is to come. Neil Gaiman should write more episodes of Doctor Who, yes definitely.
Next week we find out who and what Clara is, one more week until we find out why Clara is so Impossible!