The Dark Knight Just got back from the advanced showing, no spoilers what so ever

[The Spider-Bat]

This is something I have been wonderng. Is there any point (please don't be specific, a simple yes or no will do) where the audience actually laughed at something The Joker said?

My entire theatre laughed at pretty much at everything the joker did, except for (off the top of my head) two scenes which involved

Spoiler

a fake batman, and joker dealing with Gambol.