Some shows have specials that are supposed to air in between other episodes. Even with Metadata, TVDB and the like, sometimes these specials are not put where they are supposed to be. Your only option at that point would be to relabel each episode's metadata episode number to account for the specials in their place.  This is time consuming, a little annoying and could cause potential issues.   My suggestion is this:   I have a series, where it has an episode 21.5 - it was a Webisode that sho