Oswald Cooper is the prime suspect in the rape of a teenage girl, but presents an alibi supported by three pillars of the community. When Cooper is murdered, Lewis discovers a web of deceit going back 20 years, in which the dead man was used by the trio to cover up a sordid series of secrets - but the case soon takes on a personal dimension for the inspector.

The episode was rated 7.84 from 94 votes.

Professor Cole is a respected German history professor. When he is found dead it emerges that he patronised an illegal boxing club. Could his death have been an underworld killing?

The episode was rated 7.84 from 98 votes.

Lewis and Hathaway are called in to investigate the death of Reuben Beatty who works at the University of Oxford’s Department of Psychology. He has been discovered dead injected by etorphine, a paralysing agent in the offices of psychic ‘Randolph James’.

The episode was rated 7.83 from 101 votes.

A visiting professor is found strangled after delivering a controversial lecture. Lewis and Hathaway have no shortage of suspects, but when one of them is also murdered, her affair with a married professor of Criminology takes the investigation in another direction.

The episode was rated 7.83 from 89 votes.

A man is murdered in his bath tub. He turns out to be the christian fundamentalist and former heroin addict Stephen Mullan.

The episode was rated 7.81 from 75 votes.

Faced with the seemingly impossible task of identifying the remains of a body discovered in a well, Lewis has also got to contend with new boss Chief Superintendent Moody. Realising that the body in the well is connected to the murder of young artist Talika Desai, the police follow leads into the worlds of drugs, social media and the homeless community, but will they manage to link all the pieces together?

The episode was rated 7.78 from 125 votes.

The team must uncover the guilty secret their victims share in order to learn the identity of not just the killer but the potential victim too.

The episode was rated 7.78 from 120 votes.

Lewis and Hathaway are called in to investigate the apparent death by drug overdose of over achieving student and amateur taxidermist Talika Desai.

The episode was rated 7.75 from 157 votes.

Five years after his friend and mentor's death, Lewis - now promoted to position of inspector - returns to the city of Oxford after working on the British Virgin Islands. Even before he has the chance to get home and settle in, he and his new, vastly younger partner DS Hathaway are called to a crime scene to help investigate the murder of an American college student. It is soon discovered that one of the suspects has had past dealings with the late Inspector Morse.

The episode was rated 7.74 from 168 votes.

Hathaway has been promoted to Inspector after an extended break from the force, and Lewis is enjoying retired life until he's asked to team up with his old colleague again.

The episode was rated 7.74 from 125 votes.