On a trivial note: Spock's sideburns here are a huge improvement over the way they looked at the end of "Such Sweet Sorrow".
I think the Spock shouting bit is just an in-joke.
And, like I said before, I'm really glad we're getting to see Number One again. She drew the short straw during S2.
One other thing: this is a bit of a parallel. We saw the beginning of Burnham's assignment on the Shenzhou in "Battle at the Binary Stars" and now we're seeing the beginning of Spock's assignment on the Enterprise.
I think the Spock shouting bit is just an in-joke.
And, like I said before, I'm really glad we're getting to see Number One again. She drew the short straw during S2.
One other thing: this is a bit of a parallel. We saw the beginning of Burnham's assignment on the Shenzhou in "Battle at the Binary Stars" and now we're seeing the beginning of Spock's assignment on the Enterprise.


as well as an 'original series' Bridge set (like they did during ENT's "In A Mirror Darkly".