The Warrior Gene: Crime drama. Love is in the air as wedding bells ring out, but the team have one final case to solve when death strikes at a university rowing club. [S,AD] S4 Ep6
The Perfect Murder: Crime drama. When an art gallery owner is poisoned and climate extremists are caught red-handed, Jasper puts personal discoveries aside to paint the full picture. [S,AD] S4 Ep5
You Can't Kill Me: Crime drama. Tragedy strikes when an actor is stabbed live on stage - as the team investigate, Chloe oversteps the mark while Helena and Jasper grow closer. [S,AD] S4 Ep4
September Gardens: Crime drama. Jasper is at the centre of a crime scene when a woman is bludgeoned to death, but his meddling in the investigation is the last straw for Dan. [S,AD] S4 Ep2
Overboard: Jasper is estranged from the police force after a recent death, but only he can solve the puzzle when a young woman mysteriously vanishes from a luxury yacht. [S,AD] S4 Ep1
Attachment Issues: Crime drama. When a woman is found dead at the scene of a car crash, Professor T investigates and finds some uncomfortable resemblances to his own situation. [S,AD] S3 Ep6
The Conference: Crime drama. Professor T must prove his innocence when he comes under suspicion after the murder at a criminology conference of his biggest rival and replacement. [S,AD] S3 Ep5
A Little Drop of Poison: Crime drama. A newly-freed Professor T is desperate to get back to his work when he is called on by the police to investigate a series of unexplained deaths. [S,AD] S3 Ep4
Heir to the Throne: Crime drama. When Professor T is jailed and finds the sights, sounds and smells of prison hard to take, Dan and Lisa try to distract him with a murder case. [S,AD] S3 Ep1