Should Discs which contain multiple episodes of a TV series have one database entry per disc?

Currently lots of Bob the Builder discs come up in my sanity checks (missing release date and/or director) as the movie "Bob" ( http://www.imdb.com/title/tt1899133/ ) is being aired tomorrow. I do understand that there are disc based use cases where it's nice to show disc related fan art but I think they deserve their own place in the data model and can't currently be properly described here or at thetvdb.