BBC的关于大都会警察局“悬疑旧案”部门的喜剧。小组的头是女DS桑德拉普尔曼，既然是和旧事有关，索性就招聘了3个退休侦探：杰克把死去的爱妻埋在后院每天和她聊天，盖里年轻时有名的花心如今要和三个前妻四个女儿共进晚餐，布莱恩是个强迫症、前酒徒和阴谋论者。标题取自一句老话：“You can't teach an old dog new tricks（老家伙学不来新窍门）”。这帮老家伙却成功地在新时代用他们的经验和技，那些疑难案件正中了看似过时的老窍门的道。
探案新窍门 (季节 1)
Pilot: The Chinese Job 8.0
播出日期: 2004-01-01
运行时间: 90 min
概述: The Metropolitan Police set up a new unit, UCOS, which stands for Unsolved Crime and Open Case Squad, to investigate previously unsolved crimes. Led by Detective Superintendent Sandra Pullman, the team is made up of retired policemen Jack Halford, Brian Lane and Gerry Standing. Their first case is to investigate the murder of a nightclub hostess. The man who was convicted of killing her is released on appeal after serving twenty years in prison, having always claimed his innocence. The renewed investigation eventually produces proof of his innocence, but also his guilt of a different murder. In the end the team finds proof that the man's wife killed the nightclub hostess out of jealousy.
ID Parade 8.0
播出日期: 2004-04-01
运行时间: 60 min
概述: UCOS investigate into the death of a policewomen-whose case was closed years ago-following the recovery of the murder weapon from a lake.
Painting on Loan 8.0
播出日期: 2004-04-08
运行时间: 60 min
概述: The discovery of a fake painting in the Queen's art collection sends the UCOS team on a hush-hush mission to uncover the forger. Their investigations swiftly uncover a trail of high class frauds and suspicious deaths, but also lead to suspension for one of the squad. NOTE: In Scotland This Episode Was Shown On Sunday 11th April Due To LIVE Sportscene Football Being Shown
1984 8.0
播出日期: 2004-04-15
运行时间: 60 min
概述: The UCOS team investigate the murder of a young peace protestor, killed at the outskirts of a nuclear base in 1984, and realise that they may be in danger of exposing a Special Branch cover up.
Good Work Rewarded 8.0
播出日期: 2004-04-22
运行时间: 60 min
概述: The members of a prestigious golf club come under suspicion when the UCOS team investigate a child murder.
Home Truths 8.0
播出日期: 2004-04-29
运行时间: 60 min
概述: When a missing person case which Lane originally investigated gets re-activated, he's determined to crack it. But when the team swiftly uncover another two mysterious disappearances, they start to think they've got a serial killer on their hands.
Talking to the Dead 8.0
播出日期: 2004-05-06
运行时间: 60 min
概述: In an attempt to make contact with his late wife Mary, Jack goes to see a clairvoyant. Instead he meets a girl who died in a shipping container in 1982 and has the case re-opened.
季
集 7
集 8
集 8
集 8
集 8
集 8
集 10
集 10
集 10
集 10
集 10
集 10
集 13