Sherlock: Season 4
Sherlock Season 4 continues the overarching saga across 3 episodes.
Season 4 Lore Primer
Key plot threads, lore context, and character stakes you need to remember before diving into this season.
- Picks up essential narrative continuity directly following the events of Sherlock Season 3.
- Character alliances, factions, and personal loyalties undergo significant shifts under escalating stakes.
- Addresses unresolved cliffhangers and thematic mysteries introduced during previous seasons.
- Establishes the primary seasonal conflict that drives serialized character arcs toward the finale.
Season overview
Sherlock Season 4 continues the overarching saga across 3 episodes.
Episode Guide
Season 4 Progress Shield
The Six Thatchers
Jan 1, 2017
Why is someone destroying images of Margaret Thatcher? Is there a madman on the loose? Or is there a much darker purpose at work?
The Lying Detective
Jan 8, 2017
Sherlock faces perhaps the most chilling enemy of his long career: the powerful and seemingly unassailable Culverton Smith – a man with a very dark secret indeed.
The Final Problem
Jan 15, 2017
Holmes and Watson travel to Europe to escape Moriarty's vengeance.