Amazon.co.uk offers the Planet Earth: Complete BBC Series on Blu-ray for £17.98. At checkout, it falls to £15.63 ($26.57). With £3.08 ($5.24) for shipping, it's $11 under our October mention and the lowest total price we could find for this version of the show by $12. This PAL-region set includes all five episodes from the original BBC documentary hosted by Sir David Attenborough (not Sigourney Weaver like on the Discovery Channel version). Note that it may not play on all Blu-ray disc players.