cannot delete pod casts

If they come from iTunes you will have to unsyc them. If you had iOS 5 you could just swipe them and and then tap the Delete thae pops up.

I had this problem till I clicked on the symbols underneath the menu bar. They go Music Films TV then Podcasts. If you click on Podcasts here you can just use the delete key. Apple info is terrible on the subject, loads of post about can't delete podcasts after version 11 came out!