In case you’re confused with the dialogue from the TV set in the last panel, I was watching a DVD for the 3rd season of “Green Acres”. It’s from the 5th episode “Oliver Takes Over The Phone Company.” where Oliver Douglas winds up running the Hooterville Phone Company. On the front window of the phone company office is this:

It obviously was supposed to say “Service Is Our Motto” but of course all of the people in Hooterville come up with reasons why it’s supposed to say “‘Ervice Is Ur Mott”. It always makes me laugh.