There are some shows that are/were really popular, everyone is excited about them, and then they go down the drain in a both abrupt and spectactular kind of way. Some take their time over a whole season, others have you hoping (and quite possibly in denial) until the end, and then they just kick you in the ol’ hope organ. I was wondering (for no particular recent-eventsy kind of reason at all, I swear) if some of the shows I recall being considered “bad enders” have something in common, or more interestingly, end badly, …