Elementary 6x8 Sand Trap Season 6 Season 1 24 EpisodesSeason 2 24 EpisodesSeason 3 24 EpisodesSeason 4 24 EpisodesSeason 5 24 EpisodesSeason 6 21 EpisodesSeason 7 13 Episodes 6x1 - An Infinite Capacity for Taking Pains 6x2 - Once You've Ruled Out God 6x3 - Pushing Buttons 6x4 - Our Time Is Up 6x5 - Bits and Pieces 6x6 - Give Me the Finger 6x7 - Sober Companions 6x8 - Sand Trap 6x9 - Nobody Lives Forever 6x10 - The Adventure of the Ersatz Sobekneferu 6x11 - You’ve Come a Long Way, Baby 6x12 - Meet Your Maker 6x13 - Breathe 6x14 - Through the Fog 6x15 - How to Get a Head 6x16 - Uncanny Valley of the Dolls 6x17 - The Worms Crawl In, The Worms Crawl Out 6x18 - The Visions of Norman P. Horowitz 6x19 - The Geek Interpreter 6x20 - Fit to Be Tied 6x21 - Whatever Remains, However Improbable Holmes and Watson’s search for the killer of a woman found encased in cement takes them inside the clean technology industry. Also, Watson takes a giant leap forward regarding her interest in adoption