The Hit Mystery Series "Harry Wild" season 4 has arrived.
Harry Wild is back in season 4 on Acorn TV. The popular Irish mystery series starring and executive produced by Emmy and Golden Globe-winner Jane Seymour debuts its fourth season today. The series airs on Acorn TV, which is AMC Networks' streaming service that specializes in international mystery, dramas and comedies. Each episode of Harry Wild introduces a new mystery to solve. Harry Wild Season 4 will premiere with two episodes on Acorn TV on Monday, May 5, 2025, with one episode a week to follow through mid-June.
Harry (Jane Seymour), the former literature professor who instead of retiring, turned into a detective is back with her sharp intellect, fearless antics, wit, and crime solving skills in season 4. Harry first crossed paths with her scrappy investigative assistant, Fergus Reid (Rohan Nedd) when the high school student mugged her in broad daylight in Season 1. Their unexpected meeting led to an unlikely team-up. They eventually opened the Wild/Reid Detective Agency, tackling mysteries that range from darkly gripping to hilariously absurd. Now in the fourth season, their agency is thriving! But the lines between their business and personal lives are going to become even more blurred this season.
Bold, modern, witty, mysterious, and fun, this series is entertaining and a must see for mystery and crime solving lovers!


Premiering on Monday, May 5, with two episodes on Acorn TV, Season 4 picks up one year after the events of Season 3. Business couldn’t be better at the Wild/Reid Detective Agency as Harry and Fergus welcome an unexpected client: Police Officer Charlie Wild (Harry’s son). Elsewhere, Harry is hired by a friend and former wild child turned nun, Lola (Rose O’Neill) stumbles upon a dance school mystery, a Dublin literary tour takes a bloody turn, and more. Meanwhile, Fergus’ hopes of going to college at the same time as Lola are threatened when she gets an incredible offer to study abroad.
In the first episode of the fourth season titled, “Heads, I Win, Tails, You Lose”, Harry and Fergus take on a disturbing case -- a serial killer targeting random victims and leaving a coin in their mouths; Private Detective Harry B. (Harry Benedict, by Lochlann O'Mearáin) asks a reluctant Harry to travel the world with him; Fergus plans to attend college with Lola. This duo continues to balance each other out with in the most unpredictable, fun, and unconventional ways which continues to make this hit series a fan favorite.
In the thrilling and gritty season 4 trailer, Harry and Fergus face their most dangerous investigation yet as they try to catch a killer who's out to get them. Check out the trailer below and don’t forget to tune in!
You can stream Harry Wild exclusively on Acorn TV in regions such as the U.S., Canada, Australia, New Zealand, and the UK. Harry Wild season 1-3 is also available on Prime Video (subscription) and AMC+.