Thrown together by the murder of John's neighbour, John and Janie are an odd, yet hilarious duo with opposing instincts. Every week, they get to the bottom of gripping murders, with various stunning Welsh locations providing a backdrop to their investigations.
Death Valley (Season 1)
Episode 1 (Episode 1) 1.0
Air date: 2025-05-25
Runtime: 46 min
Overview: DS Janie Mallowan teams up with eccentric national treasure and beloved TV detective John Chapel, to solve a murder.
Episode 2 (Episode 2) 1.0
Air date: 2025-06-01
Runtime: 45 min
Overview: After a mysterious walker is found dead on a Welsh mountain trail, Janie ropes John into joining her mam Yvonne’s walking group to investigate the unidentified woman.
Episode 3 (Episode 3)
Air date: 2025-06-08
Runtime: 44 min
Overview: Janie and John disagree on how to investigate the untimely death of a best man. John goes against Janie’s wishes and befriends the bride to gain insight into the wedding party.
Episode 4 (Episode 4)
Air date: 2025-06-15
Runtime: 44 min
Overview: John and Janie investigate a murder in an amateur dramatics group, prompting John to take a role in their next stage production.
Episode 5 (Episode 5)
Air date: 2025-06-22
Runtime: 44 min
Overview: A murder-mystery party turns into a real investigation when a famous actor is found stabbed to death. John reconnects with an old flame while he and Janie investigate.
Episode 6 (Episode 6)
Air date: 2025-06-29
Runtime: 44 min
Overview: John and Janie unravel a mystery involving a murder at a school reunion, a cold case and a shocking discovery from Janie’s past. John risks their friendship with unexpected news.
Seasons
Episodes 0