Amazon offers Prime members Frozen Planet: The Complete Series on Blu-ray Disc
with free shipping
. (Non-members can spend $35 or more to qualify for free shipping; otherwise, shipping costs $4.98.) That's $7 under our April mention, the lowest total price we've seen, and a current low by $3. (Most stores charge $30 or more.) It features the entire 2011 series, narrated by David Attenborough, on three discs.