Murdoch mysteries

Murdoch Mysteries (2025): Season 18 Expands Legacy with New Faces and Milestone Moments

In 2025, Murdoch Mysteries continues its extraordinary run as one of Canada’s most enduring and beloved television dramas. Now in its 18th season, the series shows no signs of slowing down. Blending forensic innovation with period detail and character-driven storytelling, the show maintains its reputation as a staple of historical mystery fiction. Set in 1912 Toronto, Season 18 brings new mysteries, surprising guest appearances, and important developments that celebrate the show’s longevity while offering fresh twists for longtime fans.

At the heart of the series is Detective William Murdoch, played by Yannick Bisson, who uses early forensic techniques to solve complex crimes. Season 18 deepens Murdoch’s investigations with plots involving battlefield reenactments gone wrong, silent film stars with deadly secrets, and even a case tied to the legendary "Missing Link" skull. Each episode retains the balance of historical intrigue and emotional drama that fans have come to expect.

One of the most anticipated events in Season 18 is the show’s 300th episode—a significant milestone that few scripted television series ever reach. This landmark installment is both a tribute to the series’ enduring appeal and a testament to its ability to evolve while staying true to its core.

Season 18 also introduces exciting new characters. Paul Sun-Hyung Lee joins the cast as Inspector Albert Choi, bringing a fresh dynamic and greater diversity to the main ensemble. His presence marks a notable shift in representation and opens up new avenues for storytelling within the world of early 20th-century Toronto. In another surprising guest appearance, reality TV personality Countess Luann de Lesseps steps into a dramatic role as Noelle Victoria, the stylish and ambitious wife of the city’s mayor, in Episode 18. This casting choice adds a splash of glamour and curiosity to the season.

Visually, the show remains committed to high production values. Period costumes, sets, and authentic historical references are seamlessly woven into each episode. In addition to new character introductions, the season features changes to the opening credits and a relocation of its main production studio, adding a slightly updated feel to the series without straying from its roots.

Internationally, Murdoch Mysteries maintains strong viewership, especially in the United States where it airs weekly on Acorn TV. The staggered release model means that U.S. fans receive episodes a few months after their Canadian broadcast, but the show’s fanbase remains enthusiastic and engaged. The consistent rollout of new episodes through the summer has helped sustain excitement and anticipation around each new mystery.

Looking ahead, the series has already been renewed for Season 19, which is expected to air in Canada in fall 2025 and later in other territories. With over 300 episodes and counting, Murdoch Mysteries continues to evolve, introducing new elements while remaining anchored by strong characters, clever storytelling, and historical depth.

As it closes another successful chapter and looks to the future, Murdoch Mysteries proves once again why it remains a mainstay of intelligent television drama—timeless, inventive, and always ready to surprise.