▁was ▁the ▁season ' s ▁least ▁viewed ▁episode , ▁with ▁ 7 . 0 2 ▁million ▁view ers ▁and ▁a ▁ 2 . 3 / 6 ▁Ne ils en ▁rating / share ▁in ▁the ▁ 1 8 - 4 9 ▁dem ographic . ▁At ▁the ▁time , ▁the ▁season ▁finale ▁was ▁the ▁series ▁lowest ▁watched ▁season ▁finale ▁with ▁ 8 . 9 2 ▁million ▁view ers ▁and ▁ 2 . 6 / 8 ▁in ▁the ▁ 1 8 - 4 9 ▁rating ▁demo . ▁Grey ' s ▁An atom y , ▁in ▁its ▁t enth ▁season , ▁ranked ▁ 1 5 th ▁overall ▁in ▁total ▁view ers ▁( 1 2 . 1 2 ▁million ). ▁This ▁is ▁eleven ▁sp ots ▁higher ▁than ▁Season ▁ 9 , ▁which ▁was ▁ranked ▁ 2 6 th . ▁In ▁the ▁ 1 8 - 4 9 ▁key ▁dem ographic , ▁Grey ' s ▁An atom y ▁ranked ▁ 5 th . ▁The ▁last ▁time ▁a ▁season ▁of ▁Grey ' s ▁An atom y ▁was ▁ranked ▁ 5 th ▁in ▁the ▁ 1 8 - 4 9 ▁key ▁dem ographic ▁was ▁Season ▁ 1 . ▁The ▁highest ▁ranking ▁for ▁the ▁ 1 8 - 4 9 ▁key ▁dem ographic ▁was ▁ 3 rd ▁for ▁Se asons ▁ 3 , ▁ 4 , ▁and ▁ 5 . ▁Last ▁season , ▁Grey ' s ▁An atom y ▁was ▁ranked ▁ 1 0 th . ▁For ▁the ▁ 2 0 1 3 - 2 0 1 4 ▁prim etime ▁TV ▁schedule