Batman saying, "Orca" about 15 times, and the fact that I've already figured out who muscled in on the Penguin.
Finally understanding the Joker's perfect role in Infinite Crisis, and seeing him spend time with an old friend.
The return of the Fastest Man Alive.
Batwoman's outfit with its fabulous red boots; I don't care who she is, I love her immediately.
Superman's understated speech on what it means to be Superman.
Superboy Prime's power of super-scenery-chewing.
The less-than-grandiose ending of Alex Luthor.
Bye bye, Emily! I won't miss you at all.
A Batman moment I didn't think I'd ever see.
How to handle Amazo.
Seeing the real Aquaman in action ... if even it's not in his own book.
Giganta and Rita Farr in a hair-pulling match.
The sound that Deathstroke's head makes when Batman steps on it.
Clark Kent reading a comic book at a Monster Truck Rally.
Robin straddling a naked Ravager in his bed while snapping the batcuffs on her.
Ollie's reply to Roy's question, particularly since I didn't immediately recognize it.
Clark's suggestion to Diana, which would surely meet Linda Carter's approval.