Record the platform and the item types
Write down where you opened the podcast and whether the listed items are normal episodes or a guide message. NRK’s help describes that guide file as an explanation of where to hear more. A short instructional audio item should not automatically be counted as the next full programme in the series.
For example, a listener comparing an external podcast app with NRK Radio may see a different number of entries even though both refer to the same series. Keep the platform with each count and inspect the titles before treating the difference as a failed subscription.
Compare with the broadcaster’s current series page
Use the official NRK Radio route for the series and inspect its current episode list. NRK explains the smaller third-party selection as a way for programmes to remain discoverable while the fuller offering is kept on its own service. That is a distribution distinction, not proof that every historical episode is available forever.
Check the exact episode or date you need rather than assuming the broadcaster’s app must contain every programme ever transmitted. Some items can also have separate rights or publication conditions. The task is to establish whether the desired recording is currently listed, not merely to find a larger number of search results.
Diagnose a different failure separately
If a listed episode itself will not play, note the episode and platform and treat that as a playback question. If an expected older episode is absent from both routes, prepare a dated item enquiry. Repeatedly refreshing an intentionally limited feed cannot establish that a missing item has been published elsewhere.
Keep the official series reference alongside any external subscription you use. That gives a later search a stable publisher context and prevents a guide message, a limited selection and an actual archive omission from becoming one undifferentiated report that the podcast disappeared.