‘Elementary’ (Ended) 12:30 PM by Adam Lee Views: 7 View this post on Instagram Looking serious here but really thrilled about @elementaryofficial Season 7! Congrats crew & cast 🙏🏼 A post shared by Lucy Liu (@lucyliu) on May 12, 2018 at 5:16pm PDT It’s over and out for Holmes and Watson. CBS’ crime procedural “Elementary,” starring Lucy Liu and Jonny Lee Miller, aired its final season over the summer of 2019. The series came to an end after seven seasons.