Ok, this is really for my dear aging mother who doesn't have the DVDs. The UK versuon of SyFy channel has been running DS9 lately and she has been catching up with it (not having seen it since I was a young man living at the family home with the VHS's.). She's just bee watch the season 3 finale and it seems they are resetting things and going back to Emissary for the next episode. Does anyone here know what reason they might have to not show season four onwards? Or should I be lending her my DVDs?