This list is focused on tropes mostly associated with Steven Moffat himself, obviously the show has a lot of other issues that crop up regularly under the pen of most writers (overuse of the Sonic Screwdriver, deus ex machina etc.) but these are things that effect overarching subplots and themes of the show rather than ruin individual stories (even if there is still plenty of that). To be clear, I don't hate Moffat, now that he's been running the show nearly as long as Russell T. Davies did I maintain that he is the better writer of the two. And as much as certain things he does irk me Moffat has never written anything nearly as putrid as Journey's End or The End of Time, he also never let the Doctor beat the Master with the power of Jesus.
1 - Stop with the gosh darn self fulfilling prophecies
Okay, easy start. Any hardcore Who fan knows exactly what I mean here. Everyone knows Moffat has a hard on for messing around with timelines and the laws of such with his stories. It was super cool in Blink (which is probably why he keeps he doing it), it was kind cool in The Big Bang, but now as we reach the end of 2013 and turn towards 2014 it's getting seriously old and borderline frustrating.
Without diving directly into Who narratives and discussing what does and doesn't make sense, I'll just say this in general. As a viewer, I hate the feeling that everything I'm watching is pre-determined. Now, you might think that's a silly point, it's a drama with a script of course it's all pre-determined, but you shut that out of your mind. It's harder to do that though when the show is actively throwing in your face "YO, THIS THING ALREADY HAPPENED FOR THIS CHARACTER ON THIS TIMELINE SO IT'S GUARANTEED TO HAPPEN." It just sucks for me, and maybe a lot of other people too, but it feels like I'm watching a story that's already ended, it's already resolved. Either past Doctor or future Doctor or the rebooted universe or whatever has basically already fixed it we're just taking the slow route of watching him get there.
Now Doctor Who tries to get around this with its "time can be rewritten!" shtick, but that doesn't work, but we're not stupid that doesn't work. If Matt Smiths first episode ends with the prophecy of "Silence will fall when the question is asked" then obviously the show is going to resolve that, because everyone would hate it if they dared try to "rewrite time" to get out of it. Maybe you can argue that from a lore point of view it's possible, but from a TV production point of view the audience knows that it's not possible, the show would not lie to you like that.
It's even worse when the show does kind of cheat. Like when the Doctor gets out of "having to be killed by an astronaut" thing by having a fake Doctor die with him inside it. Like what was that? Do the rules of time really fall for what this kind of technicality? Like as long as "The Doctor" is filed under "dead" in some circumstance the time streams just stop caring? So yea, knock this off, it's overdone and old, it makes the show less fun when you don't cheat and it makes it unbearable when you do cheat.
2 - Tone down all the sexualisation...sweetie
I'm not some moral guardian here, this has nothing to do with offending the audience,
my objection to this is that it's just...weird. I don't mind it so much when it's the side characters, if you want to have a Victorian lesbian reptile/human couple running around fighting crime then that's fine with me. It's just when The Doctor is sexualised and implied to be running around boning whatever he can find.
I mean how does this work biologically speaking? Can he breed little Gallifreyian/lizard half breed mutants if he wanted? He seems anxious about sexual things but is inarguably not a virgin, so what is he into? Is he just anxious because he's crap in bed? Does he olay around in the TARDIS on one of his centuries long stints alone in there? It's been implied he has a thing for the TARDIS, has he ever...done stuff to it? Is it stupid/redundant to be thinking about any of this? YES. Does it add anything to the character or the stories? NO.
It just brings up issues and questions about the character that the audience shouldn't ever think about because it's just distracting. With Capaldi being about 80 years older than Smith and the fangirl moisture levels automatically being about 25% less out of the gate this is a problem that should hopefully resolve itself, but please stop making me think "will they, won't they" with Doctor Who because it brings down a science fantasy show that covers all of time and space down to the level of Strictly Come Dancing.
3 - Stop having arcs last 100s of years
I could look up a fan made timeline or something to check this, but I'm writing on Christmas Day and can't really be bothered, so I'll wing it and say that in terms of timelines Matt Smiths Doctor may have been the Doctor for longer than all the other incarnations combined. In the Christmas special he claimed to have been knocking around for centuries, and then the story itself lasts 300 years (or possibly a lot more). So that's already a minimum of like...600 years, he was only 900 a few incarnations back so...what?
That's a minor niggle really, what I don't like about it is these huge implied time leaps just help plotholes grow, either that or they just make the characters seem really bone idle. Take the Christmas special for example, there were literally like a dozen armies intent on attacking Trenzalore with no other objective than KILL THE DOCTOR and he fought them off for hundreds of years? HOW?! Maybe you could just say they were too busy fighting each other, that's still a lame example, but the episode makes it clear that the Daleks basically kicked everyone else's ass (more on this in a bit) so 1000s of Daleks couldn't just figure out "shoot the guy", when "shoot the guy" is basically the only character trait a Dalek even has in the first place?
Again, this is another thing that makes Moffats job more difficult for himself which makes it more confusing. No-one's lived for 100s of years (other than Bruce Forsyth, but he's only saved the world like twice and is a bad example) so you're giving yourself the more difficult job of writing a guy who's been alone for that amount of time and...not handling it very well...if at all if I'm honest.
4 - Stop having all the villains show up together
Again, potentially a personal niggle that no-one else cares about, but I really don't like this. The villains should all be their own little clans in their own little pockets of the universe, with perhaps the occasional crossover here and there for maximum fangasm when appropriate. But having them all show up together in unison, collectively shaking their fists/plungers at the Doctor it diminishes all of them. There's really not much you can do with it either, I mean when the Daleks are involved, either the Daleks act bizarrely out of character and don't kill everyone, or they kill everyone else and make them look like low tier garbage.
After all, when it's established that the Daleks can kill everything no problem, and The Doctor can (consistently) sort out the Daleks no problem, then what's the threat...ever? In any situation? The Doctor is God. Everyone else loses. Game over. It's times like this where you have to start resorting to "rebooting the universe" for storylines. Oh yea, it doesn't deserves its own placement on the list, but also stop rebooting the universe.
5 - Sort out your side characters
The other regularly criticised thorn in Moffats side, his handling of side characters in Who isn't always great. Amy Pond and Rory were fine at first, their relationship was starting to get a bit hammy by the end though. Clara Oswald however is an abject failure, she was never a character she's an idea Moffat had once, and it's probably a testament to Jenna-Louise Colemans talent that she's likeable at all because you could paint lipstick on a brick and throw it into the Doctors timestream and it would have the same effect. Unfortunately we're stuck with her for Series 8, fortunately that nonsense about her saving the Doctor seems to be basically covered and there's an opportunity to focus on her as more of a...y'know...PERSON.
This problem isn't just tied to Moffat though, T. Davies suffered with companions somewhat as well at times even if his were generally stronger. Go watch the Christmas Invasion again like I did (for reasons even I don't understand), Rose spends the entirety of the episode crying about how worthless she is and how helpless humans are because The Doctor is gone for less than a day, then spends the reminder of the episode gushing over him when he's back.
Obviously "sort out your side characters" is a ridiculously vague and douchey demand for a non-fiction writer such as myself to demand, but here's something to get you working in the right direction. A companion doesn't need to "have a thing", she doesn't have to be the most important thing in the universe for that week, The Doctor is lonely and likes having someone around to show off in front of, and he takes interesting people with him because they're kind of cool. Focus on the "interesting" and "kind of cool" aspects and not their grand place in the universe first, and you might get someone who's a character and not just a prop.
WRAP UP THOUGHTS PARAGRAPHS
On reflection, most of these complaints come down mostly to one thing, one thing that has plagued New Who since the show came back in 2005. It's too egocentric, it's too about The Doctor, it's too...fanfictiony. The events of the entire universe circle around the Doctor, he's sexualised because the fangirls love him, stories drag on for centuries because the Doctor is more important than anyone around him, the enemies group up in fear of the Doctor and throw all their own characterisations and motivations to the wind to focus on him, and the side characters are crap because they're not characters as much as they are fragments of the Doctors universe. The writers have just got to get over themselves a bit, the best episodes of New Who (Human Nature/Family of Blood, Blink, The Doctor Dances, Midnight, The Eleventh Hour, The Doctors Wife just to name the first ones that come to mind) were all good because of interesting concepts and gripping drama. In the case of most of them focused on the story rather than the man who flies around in a box because the story was ultimately more interesting.
As I have written before, The Doctor is an amazing character, but he's not more amazing than the entirety of space and time and everything in it so it continues to be dumb how much a show that can tackle any story, any issue or any genre it pleases constantly refers back to this one character.
As I have written before, The Doctor is an amazing character, but he's not more amazing than the entirety of space and time and everything in it so it continues to be dumb how much a show that can tackle any story, any issue or any genre it pleases constantly refers back to this one character.