After fetching all the details about TV Shows from thetvdb.com I went back to my favorite way of browsing things: KIO slaves. So without further ado let me introduce the tvshow:/ KIO slave:
So the root folder lists all TV Series. As you can see the previews are messed up aspect-ratio-wise. If anyone has an idea of how to improve that without patching KIcon or KIO or caching my own thumbnails in some tmp folder please tell me.
To try it simply update your git clone of the nepomuktvnamer and have fun.