https://www.looper.com/1304414/george-r-r-martins-failed-1992-multiverse-show-doorways-deserves-reboot With CGI and an appropriate amount of AI, George_R._R._Martin could easily revive or reboot this project.
GRRM really knows how to use the concept of doorways, interdimensional portals and Supernatural-Beings.
Interdimensional+Portals or doorways can be such a good plot device or a major premise in a story.
https://georgerrmartin.com/notablog/2023/12/13/a-blast-from-my-past/
https://georgerrmartin.com/notablog/2010/07/24/doorways-coming-in-november/
Of course J._R._R._Tolkien had his version of doors.
https://www.autodoorsandgates.co.uk/blog/five-magic-doors-in-tolkiens-middle-earth/
https://www.quora.com/Is-Tolkiens-universe-multidimensional JRRT was certainly a multidimensional writer at times.
https://lotr.fandom.com/wiki/Doors_of_Durin
https://www.cotswoldstravel.co.uk/the-doors-of-durin-a-hidden-tolkien-inspiration-in-the-cotswolds/
https://tolkiengateway.net/wiki/Walls_of_the_World
https://calmgrove.wordpress.com/2021/07/03/portal
https://tvtropes.org/pmwiki/pmwiki.php/Main/PortalStatuePairs
J. R. R. Tolkien vs George R. R. Martin. Epic Rap Battles of History https://www.youtube.com/watch?v=XAAp_luluo0 , https://www.youtube.com/@ERB/videos
https://therabbitportal.blogspot.com/search?q=Interdimensional+Doorways
https://therabbitportal.blogspot.com/search?q=George+R.+R.+Martin
