The real "index" isn't a list of .MP4 files on a Russian server. The real index is the memory of Tommy Shelby walking down that railway track, and you can find that memory on Netflix, BBC iPlayer, or your local digital retailer.

| Episode # | Title | Original Air Date (UK) | Director | |-----------|-------------------|------------------------|----------------| | S6 E1 | "Black Day" | February 27, 2022 | Anthony Byrne | | S6 E2 | "Black Shirt" | March 6, 2022 | Anthony Byrne | | S6 E3 | "Gold" | March 13, 2022 | Anthony Byrne | | S6 E4 | "Sapphire" | March 20, 2022 | Anthony Byrne | | S6 E5 | "The Road to Hell" | March 27, 2022 | Anthony Byrne | | S6 E6 | "Lock and Key" | April 3, 2022 | Anthony Byrne |

The primary entry in this index is . Unlike previous seasons, where ghosts were psychological metaphors, Season 6 literalizes them. The index would list “Ruby’s death” not merely as a plot point but as a catalyst that shatters Tommy’s rationality. Her ghost, wreathed in the glow of the Black Lion’s fire, becomes a recurring chapter heading. Similarly, “Polly Gray” (the late Helen McCrory) appears as a spectral absence—her letters, her empty chair, her voice in opium dreams. The indexical function here is to show that the past is not prologue; it is a recurring footnote that refuses to be closed. Tommy’s hallucinated diagnosis of a tuberoma—a fatal brain tumor—is the index’s cruelest trick: it is a lie born of his own self-destructive need to see an ending. The thematic weight of this entry is clear: a man who has indexed every enemy, every transaction, and every assassination cannot index his own soul.

. This season concludes the television series' storyline, following Thomas Shelby's confrontation with fascist politics and his own mortality before the narrative transitions into the feature film, The Immortal Man Season 6 Episode Guide Episode 1: "Black Day"