BBC One aired Peaky Blinders series 5 and 6 in the UK.
The programme originally aired on BBC Two, where its first four series were broadcast. It later moved to BBC One for series 5 and series 6, giving the show a broader mainstream BBC platform as its audience grew.
That channel change is easy to confuse because BBC Four also carried repeats of earlier episodes. BBC Three was not the network that premiered the final two series, and BBC Two was associated with the show’s first four series rather than its last two.
Peaky Blinders began in 2013 and concluded its six-series television run in 2022. The move to BBC One coincided with the later chapters of Thomas Shelby’s political and criminal rise, including the storyline involving fascist politician Oswald Mosley. The BBC broadcast history therefore provides a useful timeline clue: BBC Two for series 1–4, BBC One for series 5–6.