Justice League Unlimited, Season 1

Wonder Woman:
Don't you ever wish you were down there?

Batman:
I'm down there all I need to be.

Wonder Woman:
Yes, but it's just a job to you. I'm talking about going down there and having some fun. Maybe... maybe with someone special.

[Batman frowns and looks away]

Wonder Woman:
No. No dating for the Batman. It might cut into your brooding time.

Batman:
One: dating within the team always leads to disaster. Two: you're a princess from a society of immortal warriors; I'm a rich kid with issues... lots of issues. And three: if my enemies knew I had someone special, they wouldn't rest until they'd gotten to me, through her.

Wonder Woman:
[Crushes a stone gargoyle's head with her hand] Next?

[A burglar alarm goes off.]

Batman:
There!

[He swings into action.]

Wonder Woman:
[wryly] Saved by the bell.