As can be seen from the attached screen shots I have started to get episodes and movies showing as having two entries, both of which point to the same file.
Image may be NSFW.
Clik here to view.
Image may be NSFW.
Clik here to view.
I have emptied the trash but no change.
It has also happened on my "Recorded TV" folder, which is where files get put as "Home Movies" so no scanning is involved.