I guess that Sony thought the same as you - as the most popular/famous season, it would sell really well - and it ended up selling a smaller number, maybe less than S1-3. I guess they then judged sales for S5+ better.albert_m2 said:It could be possibly the second part. It's not just any store I've been to. Looking at the release dates on Amazon and it's the only one not to have a recent release date (and two different products listed - the original release from a decade ago and a more recent one). I would think this would be the season that they would have sold the most copies of too....