I'm catching up on this final season. The show has had its highs and lows (some very very low) throughout its run but I'm going to miss it. Bruce is obnoxious but the show has done exceptionally at creating the other characters.
Gordon: The best live action version for one very important reason. The fact that he went through all this stuff totally justifies why a police commissioner would trust a vigilante over his own department.
Penguin, Catwoman, Mad Hatter, Alfred. For the first time they are developed characters rather than just somebody being used as a prop for the characters gimmick. Catwoman and Riddler are a bit weak but they aren't the final characters. They are a work in progress and you can see how they can get to the final characters.
Joker. Absolutely superb. A great balance between Hamill's and Ledger's versions.
Victor Zsasz. Don't ever bother casting another version.
And of course Donal Logue is a national treasure.