Amazon.co.uk has the Planet Earth: Complete BBC Series [Blu-ray] for £15.31 (see the price at checkout), about $23.99. Shipping is $4.82 (£3.08), Free in the UK.
Amazon.com charges sales tax in KS, KY, ND, NY, WA.
# Actors: David Attenborough
# Format: Widescreen
# Language English
# Subtitles: English
# Region: All Regions
# Aspect Ratio: 1.78:1
# Number of discs: 5
# Classification: Exempt
# Studio: 2 Entertain Video