Over the Garden Wall Theory #1 - Is The Unknown Purgatory? - The Fangirl Watches

What is the Unknown in Over the Garden Wall OtGW?  Cartoon Network never gave us a firm answer, so I'm throwing my own theory out there.

This, like most of my podcast episodes, was originally a video on YouTube.  If you feel like you're missing out on the visual elements please go to https://www.youtube.com/thefangirlwatches to view the video.