Captain Boomerang meeting his son for the first time, and finding out said son is not only proud to have a Super Villain father, but also inherited his old man's throwing arm. And his mother's Super Speed.
Green Arrow and Hal Jordan's scene in the cemetery.
Green Arrow: So when you are you really coming back? Hal Jordan:(smiling)I'm working on it.
This exchange between Wally and Ollie:
Wally: By the way, I was talking to Clark and we were just... well... we were thinking if you weren't too busy, or had some free time...
Ollie: Wally, how many times do I have to tell you - I'm a reserve member. There's no reason for me to rejoin the League.
Wally: Actually, we just wanted you to know if you wanted to go to dinner sometime. Like you used to with Clark and Barry.
Ollie:(pause) Yeah, that'd be great. (beat) Really great.
After the main story, Owen gets a chance to meet with Tim Drake — not for revenge, but to bond over a common tragedy.