Season 1
Episode: 1x01 | Airdate: Jun 3, 2021 (46 min)
Diana Tyson was violently attacked on the university campus where Professor T has tenure. DI Lisa Donckers suspects that the assault is very similar to one that occurred years beforehand, and, having been a previous student of Professor T's, she thinks he can help.
Episode: 1x02 | Airdate: Jun 3, 2021 (47 min)
Professor T investigates the suspected poisoning of a librarian.
Episode: 1x03 | Airdate: Jun 3, 2021 (44 min)
Professor T helps with a case involving the hit and run of a local jeweller.
Episode: 1x04 | Airdate: Jun 3, 2021 (46 min)
Professor T investigates a case involving a missing child.
Episode: 1x05 | Airdate: Jun 3, 2021 (46 min)
Professor T is approached by a family who claim that the police have the wrong suspect.
Episode: 1x06 | Airdate: Jun 3, 2021 (46 min)
Professor T looks into the case of a shooting at the Cambridge Science Park.
Season 2
Episode: 2x01 | Airdate: Sep 16, 2022 (60 min)
When a student is left badly burnt and in a coma after a house fire, the CID team overcome their reluctance to call in Professor T as it emerges that the victim was drugged, and the fire started deliberately.
Episode: 2x02 | Airdate: Sep 23, 2022 (60 min)
A prominent barrister and his second wife are found shot to death in a crime that has uncanny parallels to a double murder that he successfully prosecuted 15 years ago.
Episode: 2x03 | Airdate: Sep 30, 2022 (60 min)
When a palliative care doctor and her husband and two children are all found dead in a grisly tableau on their living room sofa, the Police ask Professor T to help them decipher how they died, in what order and at whose hands. Is it a text-book case of ‘familicide', in which one of the parents has murdered their partner and children or was a disgruntled third-party involved, given the doctor's outspoken support for assisted killing to let her patients die with dignity? As the investigation proceeds, Lisa is forced to confront the truth about her father's dementia and she finally shares it with Dan, bringing them closer together than ever. Challenged by Dr Helena to face his fears about his past, Professor T enlists help from Adelaide and Ms. Snares to confront his phobia of intimacy, but with extremely mixed results.
Episode: 2x04 | Airdate: Oct 14, 2022 (60 min)
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.
Episode: 2x05 | Airdate: Oct 21, 2022 (60 min)
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. As Professor T persuades Lisa to go behind Paul's back and help him try to prove his case, he starts to shine a different light on the prosecution's evidence. Lisa tries to soften the blow to Dan of her upcoming promotion but only succeeds in making things worse. Adelaide agrees to Dr Helena's request to take part in a joint therapy session with her son to try to help him understand the root of his hostility towards women, but conflict ensues.
Episode: 2x06 | Airdate: Oct 28, 2022 (60 min)
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.
Season 3
Episode: 3x01 | Airdate: Mar 27, 2024 (47 min)
Professor T is banged up in prison awaiting trial. He is not your typical inmate and the sights, sounds and smells of jail are difficult for him. His police colleagues Dan and Lisa try to distract him with a murder case involving two brothers.
Episode: 3x02 | Airdate: Mar 27, 2024 (46 min)
A bride is found dead in a hotel swimming pool on her wedding night. Despite the seemingly perfect wedding photos, foul play is suspected, and Professor T is brought in to assist with the investigation.
Episode: 3x03 | Airdate: Mar 27, 2024 (47 min)
Facing court, Professor T must make a critical decision between saving himself or a former lover. Meanwhile, a prison officer's death brings about a mystery with numerous suspects, one of whom seems particularly eager to take the blame.
Episode: 3x04 | Airdate: Mar 27, 2024 (47 min)
Released from prison, Professor T is eager to return to his work at the university and assist the police. The team needs his expertise to solve a series of mysterious deaths before more lives are lost.
Episode: 3x05 | Airdate: Mar 27, 2024 (46 min)
After a murder at a Criminology Conference implicates Professor T, especially since the victim was his major rival and successor at the university, he must clear his name to restore his reputation and reclaim his job.
Episode: 3x06 | Airdate: Mar 27, 2024 (48 min)
A woman is discovered dead at a car crash scene, but the accident appears not to have been the cause of her death. Professor T investigates the case and uncovers unsettling parallels to his own life.