Oh boy. Time to unwind and unpack here. First, I have to agree with
@Arkangel. The spectacle side of the episode was alright and there were a few decent scenes all things considered. I also find crazy Danaerys better than spoiled brat let-me-bore-you-to-death-for-the-next-hour-listing-titles-and-epithets-I-gave-myself Danaerys to be honest even if it doesn't make much sense, but that's about the only good things in this episode.
Now for the bad
1) ...what the hell was the point of Arya the entire episode especially after giving up on killing Cersei? To be motivated to kill Danaerys? Assuming if the leaks are wrong about who kills her (if she is killed which seems to be a certainty), do they really want to juke us one last time by making us think hey guys it'll be Arya oh wait! No, it was Jon! We fooled ya again! ...screw you people. There was no point of bringing her along and like someone else mentioned having that ridiculous surreal moment with her and the white horse at the end was nauseating. Absolutely stupid waste of time focusing on her in this episode and parts of the previous.
2) Jon does what again this episode? Oh right, nothing. Ffs, people will from now on say that Jon does nothing instead of knows nothing (which was cringe-worthily stupid line anyway).
3) As someone else said, Varys is killed because he conspired against Danaerys. Ok...makes some sense, but it wasn't really interesting at all especially considering the other characters hardly reacted to his execution which begs the question why kill him off like this? Why not have done so in the next episode if they were going to have Danaerys go in a kill crazy rampage anyway?
4) The spectacle side of this show is almost like a wrestling match. One moment one side is OP and winning, the next moment its the other winning just because. We go from Euron being OP from the last episode and also to boot Cersei having the chance to kill Danaerys then and there to Danaerys being completely OP and effectively killing Jaime and Cersei. This would be fine if that was the point of the show, but it isn't so it's retarded.
5) Cersei didn't try going the Mad King route herself and use wildfire to burn the city down with at least Danaerys' army inside because...? Like really...why not? We even see wildfire for no apparent reason burn in the city. Why didn't she not think : Screw it. If I die everyone dies.
6) ...and another prophecy/in-story prediction subverted with regards to Cersei being killed by one of her brothers. Not unless you want to interpret that in such a way that the prophecy is dumb (at least in terms of wording anyway). Oh well, prophecies stopped mattering awhile ago in this show just like good writing and pacing.
7) ...and Tyrion plans fail again. What's the point of this character? Hell what's been the point of this character since season 4?
I'll add more later on when I think about it. All in all, I don't know. I'm not as miffed as you guys just because I was already at the point of wanting the show to fail. All I care about is Danaerys dying and the memes.
Also yeah
@Spatula I got the footage right here
https://www.youtube.com/watch?v=wDYNVH0U3cs
Edit

...uh..ffs. So I want to get something straight with regards to Danaerys ..."story arc" for lack of a better description (at this point no one pretty much has a story arc as far as I'm concerned). She goes from being married to a foreign man she was forced to marry and then raped by him, to shortly thereafter somehow loving him and seemingly willing to share power with him (granted at the time she had no dragons) to essentially now at this point of the series being unwilling to share power with Jon (who she at least loved at first and who bent the knee to her and refused to disown her at Cersei's demand)...why? Seriously why? Why does she even want the Iron Throne anyway especially since in her own words in this episode no one looks up to her fondly? What's the point then? Why not have just settled with ruling Essos? Seriously I really want to know what was supposed to be her motivation to wanting to be Queen of Westeros because it's certainly not so she can use the prestige of the crown to crush her enemies. That's what her dragons are for. And as far as I'm concerned I have never been convinced she wanted to rule in general that is concern herself with the day-to-day affairs of governance. So why should I care that she wants to sit in the throne?