The funniest Curly scene I can recall was in a western I think, and there was a fight scene where Curly gets his arm stuck in on of he bad guys coats. It's been years so I can't recall the details but I remember belly laughing out loud through the entire scene.
There is no doubt in my mind Curly was the funniest of the trio and when he left the 3 Stooges were never as funny.
My mother would never let my brother and I watch this show. If he turned it one she would got to the 1 TV we had and change the channel on us while yelling "turn those idiots off!"