I agree that this should have been at least two episodes. I have a bunch of spoilerly thoughts that I won’t get into now.
My biggest disappointment here is how this completely botches the Ezra/Maul dynamic. It already seemed like the show was dropping Ezra’s call to the dark side, and I know some people really want him to turn, I don’t care one way or the other, but it is a compelling storyline for him that just seemed to fizzle out. I thought this would be the place to finally tie it up in some fashion but nope. That’s really why I wish this had been at least a two parter. I guess it’s possible that that thread will linger but it seems like such a waste that nothing came of it here with Maul after everything between the two before.
I think the whole “Ezra being pulled to the dark side” plot line was contrived from the beginning. They should’ve planted seeds of him being susceptible to the dark side in the first two seasons, it seemed to arise out of nowhere. And on top of that, the conflict was only explored in a few episodes, for most of the season it’s as if it never happened.