I’d like that too. I browse through ypod.cymru now and then but not much jumps out. Not targeted specifically at learners as far as I am aware, but the one I do listen to is Beti a’i Phobol from Radio Cymru. I usually understand just enough to get the gist and enjoy it, once or twice I’ve even felt like I understood more than I didn’t.
As for TV, I started watching Pren ar Bryn the other night, first time watching something in Welsh. This might just be me, but I wish the English subtitles were a little more literally translated. It’s jarring when I do actually understand some dialogue but the subtitles don’t quite match up. I used to watch a lot of anime as a teenager and the “fan subs” as they were called were excellent because they were fairly literal, with cultural notes added, etc.