Amazon has BBC Earth: Dynasties (4K UHD + Blu-Ray) on sale for $12.99. Shipping is free with Prime or if you spend $25 or more.
Note item must be sold/shipped by Amazon. In stock August 21 2020
Alternatively Best Buy also has BBC Earth: Dynasties (4K UHD + Blu-Ray) on sale for $12.99. Select free curbside pickup to save on shipping otherwise free shipping on orders $35 or more.
Note curbside pickup may vary depending on location.