She went at it for another minute or two (I think he, whatever he was, was having a good time teasing the obnoxious dog that didn’t stand a chance catching him) before we went back inside and she still looks for him when we go outside, but she hasn’t seen him since.
As for what Lassie was doing as Petal stomped through leaves, snow, and twigs, thinking she was oh so sneaky— he was watching Petal with a look that said, “This is why Collies don’t hunt.”
Unless you count hunting down an abandoned cheeseburger. My Collies can do that no problem. 😉