This script can download mp3s and covers from ARD audiothek.

pip3 install -r setup.txt

python3 audiothek.py --url 'https://www.ardaudiothek.de/sendung/j-r-r-tolkien-der-herr-der-ringe-fantasy-hoerspiel-klassiker/12197351/'

Can only download the first 999999 episodes! ;)

./output/id/index_episodename.mp3

https://api.ardaudiothek.de/graphql?query=query ProgramSetEpisodesQuery($id:ID!,$offset:Int!,$count:Int!){result:programSet(id:$id){items(offset:$offset first:$count orderBy:PUBLISH_DATE_DESC filter:{isPublished:{equalTo:true}}){pageInfo{hasNextPage endCursor}nodes{id title publishDate summary duration path image{url url1X1 description attribution}programSet{id title path publicationService{title genre path organizationName}}audios{url downloadUrl allowDownload}}}}}&variables={"id":"72633432","offset":0,"count":999999}

Try this solution: #4

git clone "https://github.com/Leetcore/audiothek-downloader.git"
cd audiothek-downloader
python3 -m venv venv
source venv/bin/activate
pip3 install -r setup.txt