Series 4

Season 4 · 2025 · 6 episodes

Picks up from a year after, with the Wild/Reid Detective Agency welcoming an unexpected guest: Harry’s son Charlie Wild.

1Heads, I Win, Tails, You LoseHarry and Fergus take on a disturbing case-a serial killer targeting random victims and leaving a coin in their mouths. Meanwhile, Harry B. asks a reluctant Harry to travel the world with him. Fergus plans to attend college with Lola.
2For Whom the Bell TollsHarry and Fergus travel to the convent of a silent order of nuns after an old friend asks Harry to investigate a suspicious suicide, believing foul play is afoot. Elsewhere, a familiar face provides a very welcome surprise.
3Hold Your Horses, We've a Killer to CatchA fun day at the races for Harry and Fergus ends in tragedy when a racehorse throws its jockey from the saddle. Harry B discovers the horse was sabotaged and insists the owner, his father, Duncan, is responsible for the crime.
4Murder on the Dance FloorAfter two performers go missing from Genevieve Le Coeur's dance school, Orla and Lola persuade Harry to investigate. In search of the truth behind the disappearances, Harry and Fergus dive into the history of the school and its founder.
5The Death of Harry WildWhile attending a crime convention, Harry's look-alike is pushed to her death from a balcony. To stop the killer fleeing Harry and Fergus get security to lock the building down while they investigate. A second murder reveals a chilling connection.
6The Final ChapterWhen a heckler dies during a guided tour, the investigation brings Harry and Fergus into the middle of a literature-themed murder plot; in America, FBI agents fail to prevent an assassination by Diyu.

Episodes