Overview
- BBC releases a first-look trailer that introduces Vincent Franklin’s character and reveals force downsizing that leaves Humphrey choosing who to lose from his team.
- Series 4 launches Friday 27 March at 8pm on BBC One and iPlayer.
- The new run spans six episodes and continues from the 2025 Christmas special, with Humphrey and Martha now married and shown buying a home.
- Official synopsis highlights cases that blur fact and folklore, including a novelist’s foretold death, Dark Morris, a resurfaced treasure map and a reported vengeful mermaid, with a rare potential murder teased.
- Kris Marshall discusses a co-star’s exit and praises Franklin’s performance, as guest stars such as Melanie Walters, Colin McFarlane and returning Phil Daniels are confirmed.