Apple podcast app Episode unavailable
I hit play on any podcast and it dose this
iPhone 5, iOS 10
It plays OK for me, both in Apple Podcasts itself and when subscribing on a Mac (where the feed is read directlyt) so all seems week at that end. Unless it actually was a temporary issue and has come back, you may have a problem at your end. I can't check it on a phone; perhaps someone else can for you.