A Death in the Family (air date: 2012-08-27) Jack announces that he he has decided to leave the team, but before Sandra, Brian and Gerry can question his reasons, Whitehall figure Stephen Fisher shows up with one of his secret cases featuring the unsolved murder of a woman dating back around a hundred years.
With only 24 hours to solve it, the team attempt to find time to get to the bottom of Jack's surprising decision and attempt to persuade him not to leave.
Old School Ties (air date: 2012-09-03) The team are called in to reinvestigate the disappearance of PE teacher Jason Bowe after a body is found on the perimeter of the elite public boarding school where he was employed.
Queen and Country (air date: 2012-09-10) UCOS re-open the investigation of a diplomat who drowned in the Thames just before Christmas 2008.
Her eccentric twin sister believes that the Foreign Office is behind the death of her diplomat sister, making Pullman wonder if there might be some truth to Minnie's paranoia but Gerry is convinced there is another answer The Girl Who Lived (air date: 2012-09-17) Retired DI Steve Mc Andrew from Glasgow joins the team to reopen one of his old cases when the DNA of a woman who went missing as a teen turns up at the scene of a petrol station robbery.
Body of Evidence (air date: 2012-09-24) The body of a missing computer expert turns up in a hospital morgue under a false name, so the team reopens the investigation into his disappearance.
The dead man worked for the Metropolitan Police, giving him access to a great deal of sensitive information—added to which, he was in contact with a group of online hackers.
Glasgow UCOS (air date: 2012-10-29) Mc Andrew and Standing are sent to Scotland by Strickland for a week, to help the Glasgow Police try and establish a new UCOS section led by DCI Fiona Mac Dougall.
While there, they end up being caught up in a cold case from 1993 featuring the murder of bookie James Soutar.
is a one-hour police drama centered on Kiera Cameron, a regular cop from 65 years in the future who finds herself trapped in present day Vancouver.
She is alone, a stranger in a strange land, and has eight of the most ruthless criminals from the future, known as Liber8, loose in the city.
As the seasoned detectives unravel the mystery, Brian struggles to accept Steve as the new UCOS member, forcing Esther to intervene.
Love Means Nothing in Tennis (air date: 2012-10-01) The team investigate the death of a 16-year-old tennis star who fell—or was pushed—from a penthouse balcony after she lost an important match to a rival.
Dead Poets (air date: 2012-10-08) UCOS re-open the case of Sean Docherty, a talented young poet whose burnt body was discovered ten years ago in the scrapyard of a known gangster.