Originally Posted by urluckyday
There was never an intention to tell much over 100 episodes,
Actually, there was. A season 6 was already planned with scripts already done for way over an year, and there were rumours of seasons 7 and 8. The 100 episodes planned from the beginning were "regardless of ratings", which as seen later, were high enough to re-organize how the series would go on and evolve (also thanks to George's growing involvement). It's sad that they didn't respect their plans enough to give them a full season to wrap all loose story arcs and introduce us to other important ones. The series, and the people who worked on it, deserve it.