User blog comment:Rafe Adler/SPN Spinoff?/@comment-79.115.69.167-20160911185641/@comment-1975828-20160911190742

That sounds complicated.

Such a task would require CGI, new actors, and a retelling of past of non-human beings in a way that fans could see and understand.

It's not a bad idea, but could you imagine, how one would manage to execute such concepts?