Sherlock
The Six Thatchers
TV Flash files “The Six Thatchers” as the first listed hour of season 4 — Sherlock (2010–2017) on BBC/PBS, season 4, episode 1, aired 2017-01-01, 90 min.
From the desk
How this hour is filed
This leaf is S04E01: listed hour 10 of 12 in the Sherlock guide, first listed hour of season 4. It aired 2017-01-01 (90 min). The listed hour before it is “His Last Vow” (S03E03). Next is “The Lying Detective” (S04E02).

Catalog log
Broadcast listing — not a TV Flash recap.
While waiting for Moriarty to make good on his beyond-the-grave threat, Sherlock is intrigued by cases of vandalism where the criminal is breaking open busts of Margaret Thatcher. He soon discovers that the vandalism is tied to Mary's past.
Viewer FAQ
Where does The Six Thatchers sit in the Sherlock guide?
S04E01 is listed hour 10 of 12 — first listed hour of season 4, season 4 episode 1.
When did Sherlock S04E01 air?
The Six Thatchers aired 2017-01-01 and is listed at 90 minutes.
Is it set in Victorian London?
No. Contemporary update: smartphones, blogs, text overlays. Doyle's characters and cases, Gatiss/Moffat's London now.
In the series
Why this series still plays
Holmes in texting-era London: Cumberbatch and Freeman as a global double act, mind palaces, on-screen texts, Moriarty as fandom sport. Gatiss and Moffat's movie-length BBC/PBS events made hiatuses feel like hostage situations. Modern Doyle for the GIF age — appointment mystery with waits that became part of the phenomenon.
The coat first. Benedict Cumberbatch's consulting detective in texting-era London, silhouette as a brand, Victorian arrogance cut against smartphone flair. Mark Gatiss and Steven Moffat's BBC One series — *Masterpiece* in the U.S. — premiered July 25, 2010 as a contemporary Doyle update. Martin Freeman's John Watson blogs beside him. Episodes run like movies. Andrew Scott's Moriarty, Una Stubbs's Hudson, Rupert Graves's Lestrade, mind-palace overlays: detective television dressed as a global double act. **This…
Filed against
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- Rupert Graves as Greg Lestrade
Rupert Graves's Greg Lestrade kept Sherlock's texting-era London honest — Cumberbatch and Freeman as a global double act, mind palaces, on-screen texts, Moriarty as fandom sport. Gatiss and Moffat's movie-length BBC/PBS events. TV Flash…
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