Code 404 Episode Rating Graph

With time running out and suspicions running wild within SIU, Carver must clear Major's name and thwart the killer's final revenge.

Chalmers, the former police commissioner who has plagued Major since the day he was reanimated, faces trial. With Major busy testifying, Carver is running out of time to decipher the latest clue and save the killer's next target.

With Major's AI finally living up to the hype, Carver and Kelly come clean about their relationship. The team lies in wait to catch The Juggler.

Major's glitchy AI seriously impacts his police work. Dr. Parfitt's solution to Major's problems lead to a troubling realisation for Dennett.

Major faces an outside threat to his AI, and Carver contends with a serial killer's twisted games.

Top cop John Major is killed after a failed operation. But then the Met brings him back - as an AI prototype.

After he and Carver are given a new assignment by Dennett, a suspicious Major prefers to stake out Kelly's work as he has a hunch she's been seeing someone else.

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.

Major screws up during an investigation and Carver wonders whether to turn him in. But when he learns of the consequences, he decides to cover for him.

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.