TMDb/Miss Scarlet TV Victorian detective Eliza Scarlet's final case. The beloved PBS series concludes after 7 seasons of mystery, romance, and wit. Don't miss the last chapter. April 22, 2026 AceShowbiz - Miss Scarlet and The Duke is officially concluding after seven successful seasons on PBS Masterpiece. The Victorian-era detective series, which stars Kate Phillips as the pioneering female detective Eliza Scarlet, has captivated audiences since its 2021 debut by blending classic mystery elements with compelling romance and sharp wit.