I thought so too at first, but they tied it together nicely. We forget after the Moriarty nonsense and the terror plot in S3E1 that not every episode needs to tie into the larger whole. A few episodes in the first couple seasons had nothing to do with the larger story...or at least so little to do with it that it hardly mattered. This episode, more than any other, solidified John and Sherlock's relationship.
The episode was great! The only issue with the series thus far is that whilst they have been very entertaining as extensions of some of the greatest successes of the show- i.e. the personalities and relationships of the main characters- we haven't actually had any good crime mysteries yet this series. The whole 'delayed stabbing' bit here was just a bit weird.
My favourite episode is still the first one of the first series- it set all the style, it fantastically introduced all the major players, and it had what I found to be an interesting case to solve (resolved very dramatically).
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"We've got maybe seconds before Darth Rosenberg grinds everybody into Jawa burgers and not one of you buds has the midi-chlorians to stop her!"
All said, this may be the best show on TV. Subjective as that distinction is, I'd at least say it's in the conversation. I suppose they're cheating with the format a bit - other shows have needed to pump out more content over a smaller time period, which adds certain narrative stresses that don't inhibit Sherlock's writers. But still, the quality hasn't dipped at all. There are other shows I enjoy more, but none I'd stack up to this one from a technical standpoint.
Gender: Unspecified Location: With Cinderella and the 9 Dwarves
The show has gone downhill hard for me. I still enjoyed it some, but it really seems more like fanservice and writers high fiving themselves over how clever they are.
^I heavily disagree. The writers parodying fan-attempts at trying to find an explanation for how Sherlock faked his death is far from fanservice. The writers certainly write in a clever manner, even if they themselves aren't clever.
The various fan complaints regarding how this show is going down the path of a family drama series and the angst at Moriarity's return notwithstanding, this season has been probably the best season so far(yes, the show has only had 3 seasons, but still).
There's a little fan service. It's hard to deny entirely. But at the same time, how they handled S3E1 with the theories was quite brilliant. Given the time in between seasons, and how big of a fan obsession it had become, there was no better way to do it.
I thought they'd [SPOILER - highlight to read]: keep Moriarty dead a little longer, maybe bring him back for S5, but it did feel slightly forced at the end of this season.
There is a sense in which the show has becomke about itself more than its premise now- we just had a whole series go by that didn't actually have any stories about criminal mysteries; they have instead all been character pieces.
But they've all been great! I don't see it as a cause for concern- though I'd still like a decent criminal setup in the next series.
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"We've got maybe seconds before Darth Rosenberg grinds everybody into Jawa burgers and not one of you buds has the midi-chlorians to stop her!"
[SPOILER - highlight to read]:
I think I figured out the special... Sherlock spent the two years after his "death" taking down Moriarty's empire but what if Sherlock missed a part of it and there is an organisation, just like the suffragettes organisation, that he missed. And that is what he refers to when he says "Did you miss me?", which refers to a part of Moriarty's empire that Sherlock has missed. So the whole case of the abominable bride wasn't to figure out how Moriarty had died but that Sherlock has actually missed a part of his organisation. Also, Moriarty references himself as a virus and appears as a virus on all screens when he "comes back". Hope that post wasn't too long.