Apollo – As the highly-anticipated moon landings of Apollo 11 draw near, Endeavour, now at Castle Gate CID, finds himself investigating the death of promising young astrophysicist Adam Drake and girlfriend Christine. Their deaths seeming to be a result of a tragic car accident on first inspection, but when the clues start to point towards foul play, Endeavour enlists the help of an injured Thursday to uncover the truth.
Pylon – With the Cowley team scattered across Oxfordshire, Endeavour finds himself policing a lonely country patch, and back in uniform. His day job is a monotonous investigation of missing livestock and stolen tractors. But when he discovers the dead body of a missing schoolgirl, it opens this quiet backwater to the roar of Castle Gate CID – now staffed by Thursday and an old adversary, the newly promoted DCI Ronnie Box, alongside sidekick DS Alan Jago.
Icarus – After the mysterious disappearance of a teacher, Endeavour finds himself undercover, investigating the dark and secret world of a public school. When a body is unexpectedly discovered, Endeavour has to question who he can trust – and uncover the truth about the crimes before more people are hurt.
Quartet – An assassination attempt at an international sporting event opens a new case for Endeavour and Thursday, but their investigation is quickly brought to an unexpected end.
Colours – A photoshoot on an army base turns sinister when one of the models is found dead, and the investigation is complicated when Sam Thursday is revealed to be involved. With Thursday side-lined by protocol, Endeavour and Strange take the lead on the investigation for the first time without their mentor. Tensions rise, and the pair clash as their differing opinions push their friendship to breaking point.
Passenger – The railway takes centre stage as Endeavour investigates the disappearance of a local woman – with initial fears linking it to the unsolved murder of a teenager, killed several years earlier. Endeavour puts the missing woman’s last known movements under scrutiny, while Thursday is absorbed in the investigation of a lorry hijack which he suspects is linked to local gangster Eddie Nero.
Cartouche – Hollywood glamour comes to Oxford as the stars of a new horror movie sequel begin filming in the city. Meanwhile, the unexplained poisoning of a former detective sergeant leads Endeavour and Thursday to a local cinema, which is playing host the film’s stars in a special event.
Muse – New series. The newly promoted Detective Sergeant Morse investigates when a famous international thief tries to steal a Faberge egg from an auction. The case leads to the gruesome murders of an academic and a gangster, and Morse is convinced the deaths are the work of the same man. As he struggles with his new responsibilities, he finds himself forced to mentor a younger partner (played by Poldark’s Lewis Peek).