If you are having issues getting your information to be pulled through from iTunes, then you will need to choose the option for a podcast, and to follow the guidance below.
You will need to get the RSS feed url which can be generated from this site – Get Podcasts RSS Feed Urls
Once you visit the site and past url and you will get link with text , just copy that link and use inside app.
Using an example, the Joe Rogan Experience podcast –
After you have added the podcast url from iTunes and clicked the search icon, you will then see a refreshed page as shown below. Simply right click the RSS Feed link and choose Copy Link Address.
For above url , generated rss feed url is –
Paste that url in to the field for your Podcast url and you will then see the podcast feed show as below.