4K UHD / Blu-ray Movies & TV Sale with 20% off coupon

Amazon has many 4K / Blu-ray / Movies / TVs on Sale with coupons (most are 20% off).
Lists:

• 4K Movies
• Blu-ray
• TV

Note: there is no way to set seller on Deal Preview pages, so make sure to select Amazon as Seller on individual item page.