The Discovery Channel Store offers a  25% off coupon code "INSIDER", which also works on sale items including DVD’s and Blu-ray’s.  Shipping starts at $5.95.

[DVD Selection]  /  [Blu-ray Selection]

The Discovery Channel Store offers their Top 6 DVD’s and Blu-ray’s on sale, as well as other products as part of their Cyber Monday Sale.

Also use coupon code “SAVE5” for $5 off your purchase.  Shipping adds $2.95.

Prices After Coupon:
Life (DVD) – $14.99
Life (Blu-ray) – $19.99

Planet Earth (DVD) – $14.99
Planet Earth (Blu-ray) – $19.99

Life on Earth DVD Set – $95.99
Life on Earth Blu-ray Set – $109.99

The Discovery Channel Store offers up to 60% off DVD’s and Blu-ray’s in their semi-annual sale.  Shipping starts at $5.95, but orders of $100 or more get free shipping with coupon code "SHIP100"

Highlights include:
Supervolcano – $9.99
The Ultimate Space – $14.97
Planet Earth Blu-ray Set – $39.99

The Discovery Store is running their Semi-Annual DVD Sale, with titles discounted up to 75% off.

Plus use coupon code ‘EML2009’ to take $5 off of a $25 order.

Shipping starts at $4, and is free on orders over $50.

Amazon offers Planet Earth on HD-DVD for $21.99 (78% Off).  Free shipping on orders over $25 or with Amazon Prime.