Amazon has When We Left Earth: The NASA Missions Season 1 for FREE (11.94 – 11.94 coupon) as a download for a limited time. To get this deal, select “Redeem a gift card or promotion code & view balance” and enter BLASTOFF (in all caps) for a promotional credit of $11.94. Once you get confirmations of a credit on your account, select “Buy Season 1 with 1-click $11.94” to purchase.

Discovery Channel presents the dramatic story of NASA’s pioneering, awe-inspiring missions commemorating the first 50 years of space exploration in the landmark special series When We Left Earth: The NASA Missions. Featured is never-before-seen footage from NASA’s secret film vaults, digitally remastered into stunning quality.