Browse episode ratings trends for Death Valley. Simply click on the interactive rating graph to explore the best and worst of Death Valley's 6 episodes.
Best Episodes of Death Valley
Episode 6
S1 Ep6
7.4
29th Jun 2025
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.
Episode 5
S1 Ep5
7.3
22nd Jun 2025
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.
Worst Episodes of Death Valley
Episode 1
S1 Ep1
6.9
25th May 2025
DS Janie Mallowan teams up with eccentric national treasure and beloved TV detective John Chapel, to solve a murder.
Episode 4
S1 Ep4
7.1
15th Jun 2025
John and Janie investigate a murder in an amateur dramatics group, prompting John to take a role in their next stage production.
Death Valley Episode Guide
Episode 1
S1 Ep1
6.9
25th May 2025
DS Janie Mallowan teams up with eccentric national treasure and beloved TV detective John Chapel, to solve a murder.
Episode 2
S1 Ep2
7.3
1st Jun 2025
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
S1 Ep3
7.2
8th Jun 2025
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
S1 Ep4
7.1
15th Jun 2025
John and Janie investigate a murder in an amateur dramatics group, prompting John to take a role in their next stage production.
Episode 5
S1 Ep5
7.3
22nd Jun 2025
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
S1 Ep6
7.4
29th Jun 2025
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.
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.
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The best rated episodes of Death Valley are:
Episode 6 S1E6 rated 7.4
Episode 5 S1E5 rated 7.3
The lowest rated episodes of Death Valley are:
Episode 1 S1E1 rated 6.9
Episode 4 S1E4 rated 7.1
The first episode of Death Valley aired on May 25, 2025.
The last episode of Death Valley aired on June 29, 2025.
There are 6 episodes of Death Valley.
There is one season of Death Valley.
Yes.
Death Valley is set to return for future episodes.
