The podcast can be accessed at the link below:
https://play.acast.com/s/warnerarchivepodcast
For reference, the September 1st podcast “Your Lovely Letters” is the one where Feltenstein addresses Fangface and The Banana Splits.
I don’t know if Feltenstein has addressed a majority of those shows, but in the same podcast he addressed Banana Splits, he mentioned that Fangface also needs a lot of work as the masters are in poor condition (though I doubt it needs the same amount of work as Banana Splits, which apparently...
Going by one of the more recent podcasts from the Archive, Banana Splits apparently needs A LOT of work before it is remotely ready for Blu-ray release.