youtube-dl https://www.nrk.no/video/PS*20594
[NRK] 20594: Downloading mediaelement JSON
[NRK] 20594: Downloading f4m manifest
[NRK] 20594: Downloading m3u8 information
[download] Downloading playlist: SE: Eggsanking på Bleiksøya
[NRK] playlist SE: Eggsanking på Bleiksøya: Collected 1 video ids (downloading 1 of them)
[download] Downloading video 1 of 1
[hlsnative] Downloading m3u8 manifest
[hlsnative] Total fragments: 29
[download] Destination: SE - Eggsanking på Bleiksøya-20594.mp4
[download] 100% of 29.00MiB in 00:27
[ffmpeg] Fixing malformated aac bitstream in "SE - Eggsanking på Bleiksøya-20594.mp4"
[download] Finished downloading playlist: SE: Eggsanking på Bleiksøya