Prime Video has begun production on the second season of its period mystery seres *Young Sherlock*, moving the shoot to Palermo, Italy.. creator‑showrunner Matthew Parkhill announced the start via behind‑the‑scenes photos, confirming that Hero Fiennes Tiffin and Dónal Finn will reprise their roles as Sherlock Holmes and James Moriarty, with a planned release sometime in 2027.

Palermo replaces Spain as the visual backdrop for Season 2

Filming has shifted from the Spanish locations that dominated the first season to the historic streets of Palermo,offering a new aesthetic palette. The production slate posted by Parkhill shows “Season 2 – Episode 2,” and the images reveal Holmes in a classic trench coat and Moriarty disguised in a priest’s habit, hinting at fresh narrative twists. According to the series creator, the Italian setting will allow the show to explore different cultural textures while retaining the period‑drama feel.

Colm McCarthy joins as director for the second episode

Veteran director Colm McCarthy, known for his work on the BBC’s *Sherlock* (including an episode in series 3), is slated to direct episode 2 of *Young Sherlock* Season 2. His involvement signals a continuity of tone with the original series, as he brings experience handling the Holmes‑Moriarty dynamic on screen. Parkhill’s social‑media update highlighted McCarthy’s appointment as a key addition to the creative team.

Mark Patten returns as cinematographer to preserve visual continuity

Cinematographer Mark Patten, who shot every episode of the inaugural season, is back behind the camera. While the new Italian locations promise fresh scenery, Patten’s presence ensures that the series retains the visual style that fans appreciated in season 1. The combination of Patten’s eye and McCarthy’s direction is expected to balance novelty with the series’ established look.

Plot teasers: Moriarty in clerical disguise and Holmes’s classic gear

The behind‑the‑scenes photos reveal Moriarty wearing a priest’s habit, suggesting a storyline involving deception, hidden identities, or perhaps a church‑related intrigue. Holmes, meanwhile, is shown in a more traditional detective outfit, indicating a possible return to classic sleuthing methods. No official plot details have been released, but the visual cues point to a deeper psychological duel between the two rivals.

When can viewers expect the new season?

Prime Video has not announced an exact premiere date, but with filming already underway and a target window of mid‑to‑late 2027, the series is likely to re‑enter the streaming catalogue next year. The announcement underscores Amazon’s strategy to expand its mystery‑drama slate and keep the iconic Holmes‑Moriarty rivalry in contemporary television conversation.

Who will confirm the final release schedule?

While Parkhill’s posts confirm production status, the ultimate release timeline will come from Prime Video’s marketing team. As of now, the streaming platform has only hinted at a 2027 window, leaving fans to await a formal announcement.