真是搞糊塗了，完整版究竟是四片還是五片啊？

露天銷售版本是五片：
Planet Earth: Complete BBC Series [Blu-ray] (英版地球脈動藍光)
http://goods.ruten.com.tw/item/show?11090510999184

亞馬遜所銷售是四片：
Planet Earth - The Complete BBC Series [Blu-ray]
Number of discs: 4
http://www.amazon.com/Planet-Earth-...45646639&sr=8-2


另外這兩個系列，是完整版的Planet Earth + 其他系列嗎？有沒有收藏價值呢？

The BBC High Definition Natural History Collection (Planet Earth / Wild China / Galapagos / Ganges) [Blu-ray] (2008)
Number of discs: 8
http://www.amazon.com/Definition-Na...45646639&sr=8-5


The BBC Earth Collection (Planet Earth / Earth: The Biography) [Blu-ray] (2008)
Number of discs: 6
http://www.amazon.com/BBC-Earth-Col...5646639&sr=8-15