I do think that the very 'big' nature of all of the characters in Series VIII means that it would be best if none reappeared. Doug's intention may have been to set things up for the movie as others have suggested, but all of the characters were such caricatures that they actually had me dreading that they would be seen again rather than anticipating a film. I know some have said that Series VIII was 'The Chuckle Brothers in space' but I think that's a little unfair. It reminds me more of Not Going Out in that plot and characterization were sacrificed in favour of jokes. I don't think crowbarring the main characters into that kind of show worked though and I think that if Doug had tried to do that kind of broad comedy in something other than Dwarf that it might have been more successful.