TV series
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.
Streaming, rental and purchase options
Checked Jul 22, 2026
Death Valley is available to stream on Britbox and Britbox (Via Amazon Prime) in United States. You can also buy it from Amazon, Apple TV, and Fandango at Home. Use the direct links below to open the provider.
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.
Choose an episode, then use the watch options above for the show.
Episode 1
A man is found dead while he is meant to be serving community service. After some time apart, Janie and John must come together and get creative in order to crack the case.
Directed by Simon HyndWritten by Paul DoolanGuest stars Hammed Animashaun, Jacob Ethan Tanner, Jane Horrocks, Hannah Daniel, Alexandra Roach
Episode 2
Following the death of a chef in an arson attack on his restaurant, John and Janie come to a small fishing village to scrutinise the locals.
Directed by Simon HyndWritten by Paul Doolan, Ian JarvisGuest stars Roisin Conaty, Mark Lewis Jones, Ben McGregor, Libby Mai, Rhodri Meilir
Episode 3
When a runner overdoses in an actor’s trailer, Janie and John are called to investigate. On the set of an epic Welsh TV drama, the team interview the crew to solve the crime.
Directed by Claire WinyardWritten by Paul Doolan, Sian HarriesGuest stars Jim Howick, Leisa Gwenllian, Millicent Wong, Louis Raghunathan, Camille Coduri, Jack Parry-Jones, Amit Shah
Episode 4
John and Janie arrive at a new age commune to investigate the murder of its founder. Janie hopes to solve the case quickly, as one member is an unwelcome familiar face.
Directed by Claire WinyardWritten by Nina MetivierGuest stars Ele McKenzie, Rhiannon Clements, Lynn Hunter, Asim Chaudhry, Tori Allen-Martin, Zak Douglas, Gareth Snook, Joshua McCord
Episode 5
Whilst running a rehabilitation course for a group of rule-breaking police officers, Janie locks down CID when an attendee is found dead and brings John in to solve the case.
Directed by Simon HyndWritten by Paul DoolanGuest stars Abby Vicky-Russell, Robert Wilfort, Ben Rufus Green, Nadia Wyn Abouayen, Liz Carr, Mike Bubbins
Episode 6
A sudden death at the funeral of a rugby club groundsman leads John and Janie to suspect everyone in the club. With Janie’s big move looming, John considers life without her.
Directed by Simon HyndWritten by Paul DoolanGuest stars Owen Teale, Mike Bubbins, Charles Dale, Mali Ann Rees, Gillian Elisa, Ieuan Evans, Rhodri Trefor
Episode information updated Jul 22, 2026
Timothy SpallJohn Chapel
Gwyneth KeyworthJanie Mallowan
Steffan RhodriDCI Barry Clarke
Alexandria RileyHelen Baxter
Melanie WaltersYvonne Mallowan
Remy BeasleyRhiannon
Rithvik AndugulaDC Evan Chaudhry
Mike BubbinsTony
BBC OneUnited Kingdom
BBC Studios ComedyUnited Kingdom
BBCUnited Kingdom
