The final moments, once the perpetrator is arrested, finds Sherlock playing his violin for Mary and John as they share their first waltz as a married couple before giving them one more moment: he tells Mary that she is pregnant. It's a shocking moment for John and Mary but once they recover, John and Sherlock are ecstatic for each other. Sherlock tells them that they are already fantastic parents and they'll "hardly need me around when you have a real baby" to which many smiles are given. Sherlock doesn't make vows normally so he gives his first and last vow here: "no matter what it takes, I will always be there for all three of you." (freak out #4) Uncle Sherlock already loves this baby. The one thing that does worry me was Mary's reaction. She seemed both happy but scared, not totally out of the ordinary but with next week being the season finale and Magnaussen taking center stage, I'm worried for Mary and her baby. And to add fuel to this fire, the final episode of the season is called "His Last Vow." Interpret what you will, but I think next week is going to be a roller coaster for all involved. Sherlock leaves the wedding early, as Mary and John celebrate. What does that mean? It's hard to know. On the one hand, Sherlock isn't a party person. He isn't comfortable around others. But at the same time, on the other hand, it might signal that despite promises, things do change. Life will be different for JohnLock.
--A random smattering of excellent quotes:
--"They're right. You're a psychopath." "A high functioning sociopath. With your telephone number."
"I learned it on YouTube..."
"Two people changed my life. Mary and---"
"Am I the current King of England?"
"Am I a pretty lady?"
"The game is...something." "On?" "Yeah. That."
"He's clueing for looks."
"John Watson, you keep me right."
"You're not a puzzle solver. You're a drama queen."
"I love dancing."
--Sherlock did a little ballerina dance. And perfectly too.
--The main crime was just too complicated for me to get into properly. A dead guard, a mayfly man, and a disgraced major in the army. It might take one or two more watches to really get it.
--I feel really bad for Molly. Despite being engaged to Tom, she is clearly still in love with Sherlock. Now SherLolly is a romantic ship I can get behind.
--Random appearance of "the woman" Irene Adler. Naked, of course.
--One more episode. How is that possible? Will it return? No one is really sure. It's one of the BBC's highest rated shows but Benedict Cumberbatch and Martin Freeman are becoming Hollywood elite. Would they stick around? Hard to say.