In Lassie, did anyone ever actually derive information from Lassie’s barking?

[Northern_Piper]

Recent discussion:

If Piper Mutt were in charge, Timmy would still be down the well

I managed to lock mysel out of Chez Pipers. Screen door latched behind me. There were a few others in the house so I started knocking on the door and calling. No dice. Rang the doorbell. Nothing. But then, big Piper Mutt came running to the door, all 70 lbs of good cheer. “Good dog!” I said. “Now, go get someone!” He looked at me, then plunked himself down in front of the door, a big goofy grin on his face, tongue hanging out in the heat, wagging his tail, glad to see me. Sigh. Finally …