Amazon offers a selection of BBC Planet Earth nature documentaries on Blu-ray for $29.99 with free shipping, as listed below. That's the lowest total price we could find for any of these collections by at least $54. The deals:

Of note, Amazon also offers the BBC Planet Earth: Special Edition Collector's 10-Disc Set on DVD for $29.99 with free shipping. That's the lowest total price we could find by $37.