What was even going on with the plane trick/metaphor?
Why would Molly ever talk to any of them ever again?
Where do all these Mary tapes keep coming from?
In a show supposedly set in the real world, why do we suddenly have secret island prisons?
Where does one get an unbrellaswordgun?
In a show supposedly set in the real world, how does Eurus basically have the power of mind control?
and how does Sherlock suddenly have the power to predict the future?
How did Eurus meet Culverton Smith to gain all that information in TLD?
What was Eurus’s plan exactly?
Why introduce a memory warping drug, have your protagonist have missing memories, and not have those two connected in some way?
How did John get out of the well by rope without having his feet unchained?
Why did Doctor John Watson not recognize human remains sooner?
Why was no one looking for poor Victor Trevor?
How did Eurus build a fake bunker identical to the real bunker on the family estate, that was flimsy enough to be kicked down by Sherlock but not flimsy enough to be blown over?
How does Mycroft still have a job?
What happened with Mycroft and Lady Smallwood?
Did he ever buy groceries?
What were Sherlock’s recurring dreams?
Did Sherlock get help for his drug problem? Or his health problems that Molly deduced cause by his drug problems?
Did anyone find that pearl?
How did Lestrade and Hopkin’s date go?
Did anyone catch those bank robbers from last season?
When Sherlock said he knew exactly what Moriarty was going to do next, it was a lie right? He didn’t know Moriarty was going to become a plot device, and scare tactic planned 5 years before that by a psychotic sister that Sherlock had blocked out all memories of, so that said sister could torture Sherlock because he had a friend as a child?
Why make a joke in the first episode that Sherlock was like a baby and then in the third episode say he’s always been the adult?
What friends has Rosie been staying with?
How did everyone survive the grenade at 221B?
What is Mrs Hudson’s favourite heavy metal song?
Why the stress on Sherlock tweeting? It didn’t add anything to the series.
If the final problem was to burn the heart out of Sherlock, why wasn’t that addressed?
If no one knew redbeard/victor was stuck in a well, why was Sherlock hallucinating water imagery?
What was that movie Mycroft was watching at the beginning?
What was this season actually about?