User blog comment:Gogogadget831/What Do We Already Know About Season 6?/@comment-1427230-20140607184838/@comment-1427230-20140608015438

Well that can't be true. By definition, in order for everyone to have a 50% chance of returning exactly 18 of them have to return (25 if she's counting the TDPI group) and I think it's a pretty safe assumption that there won't be any number close to that returning.