DoctorsSeries 9Episode 147: Where Angels Fear to TreadBBC One Duration: 30 minutesFirst broadcast: Thu 13th Dec 2007, 13:40 on BBC One LondonLatest broadcast: Thu 13th Dec 2007, 13:40 on BBC One WalesGeorge and Ronnie get sucked into the strange life of a private investigator.GenresDramaMedicalDramaSoapsBrandDoctorsSeriesDoctors: Series 9 Source: BBC Online