That was always one of my favorite Columbo scenes because it seemed like something the real Columbo would do. I was exceptionally PO'd when Bravo cut that scene out of a rerun of that episode. To me that scene spoke volumes about Columbo the person.

I think you've made an excellent point! Which really brings up a related topic--are there any other scenes from other episodes that appear to be "accidental" but were left in because they seemed true to the plot or character?

The way this was filmed introduces the opportunity to use a stunt double. There are 2 breaks. 1. Peter 2. Double 3. Peter

You can view the scene on youtube and see what I mean.