TV series
In the near future, an undercover Detective Inspector gunned down and killed during a botched sting is brought back via an experimental Artificial Intelligence project. Full of glitches, he’s got to track down the person who shot him, prove himself as a cop so as not to get shut down, and save his marriage and his friendship, all with his partner Carver to boot.
Watch trailerAvailability
Checked Jul 22, 2026
Code 404 premiered April 29, 2020. We don't have a confirmed streaming, rental or purchase option yet.
In the near future, an undercover Detective Inspector gunned down and killed during a botched sting is brought back via an experimental Artificial Intelligence project. Full of glitches, he’s got to track down the person who shot him, prove himself as a cop so as not to get shut down, and save his marriage and his friendship, all with his partner Carver to boot.
Cast, crew and production details
Daniel MaysDI John Major
Stephen GrahamDI Roy Carver
Anna Maxwell MartinKelly
Amanda PaytonDr. Parfit
Rosie CavalieroSuperintendent Dennett
Tracy-Ann ObermanPolice Commissioner Chalmers
Steve OramGilbert
Emily Lloyd-SainiRyle
Sky OneUnited Kingdom
Sky ComedyUnited Kingdom
Water & Power ProductionsUnited Kingdom
KudosUnited KingdomWatch options above are for the show and may vary by season or episode.
Episode 1
Major, Carver and Kelly have gone their separate ways. Things are looking up for the AI-enhanced Major, whilst Carver is gunning for a promotion and is knee deep in a new case.
Guest stars Precious Mustapha
Where to watch Code 404
Episode 2
Carver and Major receive new information on the Chelsea Bridge Case – a £50 million robbery committed twenty years ago by a gang who seemed to vanish into thin air.
Where to watch Code 404
Episode 3
DCS Dennett officially reopens the Chelsea Bridge case, reuniting Major with his absent father, Clifford, who failed to solve the case 20 years earlier. As Major's AI becomes increasingly unstable, Dr. Parfit and Carver clash over the solution.
Guest stars Mark Addison
Where to watch Code 404
Episode 4
Major's glitchy AI seriously impacts his police work. Dr. Parfitt's solution to Major's problems lead to a troubling realisation for Dennett.
Where to watch Code 404
Episode 5
Carver deals with an unstable Major, and Dennett calls in a favour from Millikan Biotech. When the detective inspectors are assigned to a witness protection case with some familiar faces, Carver learns shocking truths and confronts Major.
Guest stars Precious Mustapha
Where to watch Code 404
Episode 6
When Carver and Kelly find a collapsed Major with just three hours left to live, they try to get him to accept the truth. Major is determined to solve the Chelsea Bridge case and exonerate his dad before his AI shuts down.
Guest stars Precious Mustapha
Where to watch Code 404Episode information updated Jul 22, 2026
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