Episode Running Order

I'm watching "LOOK TO THE LADY" again right now, and several things about it make it stand out quite obviously as being intended as an "introductory" story. Quite like the Peter Lorre film "THINK FAST, MR. MOTO", the opening part of the story leaves you wondering WHO are these people and WHAT is going on here?

My question is... WHY did "MYSTERY" here in America apparently run the show COMPLETELY out of sequence???

I taped the series off of "MYSTERY" when it was first-run here, and the order for Season 1 was as follows:

"THE CASE OF THE LATE PIG"
"POLICE AT THE FUNERAL"
"DEATH OF A GHOST"
"LOOK TO THE LADY"

Seeing them this way, by the time you get to the "pilot" episode, "LOOK TO THE LADY", you're left wondering, WHY are Albert & Lugg acting so strangely?? This is also the only story I've noticed where Lugg's first name is spelled out, and Albert gives a lot of background info about himself and Lugg, including that Lugg used to be a burglar, and that "Albert Campion" is an alias.

I know "THE CASE OF THE LATE PIG" was not only run first here, but intended to be run first here (in other words, PBS didn't just air them wrong) because I have the Diana Rigg intro for this story. It happens to be Diana Rigg's DEBUT as host, and the way she talks about Campion, it's obvious it was the "FIRST" episode they were running.

This is either the 3rd or 4th time I seen the stories (they keep getting better) and this thing about "LOOK TO THE LADY" always bothered me, in the back of my head, but I never thought to look it up online, and sure enough, it WAS designed to the "first" story.

WHY do people do things like this???