Thanks to
keelieinblack , the Mystery of the Missing Sherlock Holmes Movie is solved. It wasn't a movie at all, it was an episode (No. 35 in Season 1, to be exact) of the 1950's TV show.
If I can figure out how to imbed it, I will. But I give you fair warning. If you are 1) of Scots descent; 2) American; 3) a woman; 4) a man; 5) a rational being--YOU MAY BE OFFENDED.
You may also laugh until it hurts. By all that's dear, do not watch this episode while you are drinking or eating.
I am so inspired by this. Really. You have no idea. But you'll see, you'll see. Bwhahahahaha.