As of 2026, the streaming landscape for Sherlock has shifted significantly from its original run on Netflix. You can currently find the series on several major platforms:

If you prefer to own the season, it is available for purchase on the Apple TV Store, Amazon Video, and Fandango at Home. Season 3 Episode Guide

Behind the scenes, co-creator Steven Moffat was simultaneously showrunning Sherlock and Doctor Who , leading to a dense, fast-paced writing style that characterizes this era of both shows.

| Episode | Title | Key Plot Points | |---------|-------|----------------| | 3x01 | | Sherlock returns to London; John’s reaction; explanation of the fake death. | | 3x02 | The Sign of Three | John’s wedding; Sherlock gives a best man speech that turns into a murder investigation. | | 3x03 | His Last Vow | Charles Augustus Magnussen (a blackmailer) is the villain; major character cliffhanger. |