I listen to a number of podcast subscriptions. I save some of them because I want to listen to them again. I am running the latest version of iOS on an iPhone 6SPlus.
Before today, I had about 10-15 saved podcasts in a couple of different subscriptions. I have the auto delete turned off and some of them were weeks or months old. However, when I went to look at the new ones this morning, all I had were the new ones... all of the old ones were gone. I assume I can't recover them, but would like to know why so that I might keep this from happening again.