Amazon's Blu-ray deal of the week consists of
Great Migrations, which currently can be had for only $22.49 (55% off MSRP). This is the cheapest that this two-disc National Geographic Blu-ray set, which features of all of
Great Migrations' four initial episodes, plus two bonus programs which are being broadcast as supplemental parts to the initial series. This offer is valid through January 8.
Thanks to forum member "shinseiromeo."