Professor T Episode Rating Graph

After discovering the body of an undercover police officer, the CID team blunder into a Drugs Squad operation against a major trafficker that appears to implicate one of their closest colleagues.

Professor T conducts a series of lectures for his students detailing a high-profile court case in which a caretaker is accused of murdering his employer; the accused was found standing over the victim's body and his fingerprints on the murder weapon, but Professor T is convinced of his innocence, bringing him into conflict with the CID team and DI Paul Rabbits as the investigating officer.

When an artisan baker is found dead after receiving death threats, the police appear to have an open and shut case against the son of a convicted murderer who was sent to prison thanks to the baker's testimony.

A prominent barrister and his wife are found shot dead in a crime that has uncanny similarities to a double murder that the barrister successfully prosecuted 15 years earlier.

An au pair comes home after an evening off to find her employer unconscious in the living room. His daughter has vanished. The investigation leads the police to his business partner.

There is a poisoning at a reception. The police start to think that the real target is a civil servant who forged an environmental report who also was present at the reception. Due to the forged report, the daughter of a young family is very sick in hospital. The child's father might have something to do with the death.

There is a hit on prominent businessman during an official function. The shooter fails but the intended victim is found dead a few days later. A family feud reminds Jasper of his past

A girl with Downs Syndrome claims she knows who murdered her mother, but she doesn't want to say who it is. She only trusts the professor. Lisa is worried about her father and Dan has a surprise when he turns up for their date.