Series 4

01 Episode 1 Episode 111th June 2012 Former detective Rav Wilding and roving reporter Dave Guest hunt for information to help solve cases and combat crime, presenting from a different police force each week. 02 Episode 2 Episode 212th June 2012 Former detective Rav Wilding and roving reporter Dave Guest hunt for information to help solve cases and combat crime, presenting from a different police force each week. 03 Episode 3 Episode 313th June 2012 Former detective Rav Wilding and roving reporter Dave Guest hunt for information to help solve cases and combat crime, presenting from a different police force each week. 04 Episode 4 Episode 414th June 2012 Former detective Rav Wilding and roving reporter Dave Guest hunt for information to help solve cases and combat crime, presenting from a different police force each week. 05 Episode 5 Episode 515th June 2012 Former detective Rav Wilding and roving reporter Dave Guest hunt for information to help solve cases and combat crime, presenting from a different police force each week. 06 Episode 6 Episode 618th June 2012 Rav Wilding and Dave Guest appeal for information on unsolved crimes. Sussex police search for the hit-and-run driver who left a pregnant woman in danger of losing her baby. 07 Episode 7 Episode 719th June 2012 A look at unsolved crimes, including the story of a family taken hostage in Haywards Heath. Plus Dave Guest learns why catalytic converters are the latest target for metal thieves. 08 Episode 8 Episode 820th June 2012 Live from the seafront in Brighton, Crimewatch Roadshow appeals for the public's help in finding antique silver worth thousands of pounds stolen from one of the city's churches. 09 Episode 9 Episode 921st June 2012 Live from the Marine Police Unit's base at Wapping, Crimewatch Roadshow discovers how they are cracking down on conmen who target tourists on London's bridges. 10 Episode 10 Episode 1022nd June 2012 With millions of tourists visiting London in the summer, how are the Metropolitan Police keeping the streets clean? Alice Bhandhukravi accompanies officers on Operation Trafalgar. 11 Episode 11 Episode 1125th June 2012 Wiltshire police search for the conmen who gained access to an elderly man's home to steal his pension. And the team learn what the Salisbury Streetwatch members do. 12 Episode 12 Episode 1226th June 2012 Rav Wilding seeks the public's help in catching a conman who was featured in last year's programme. Alex Lovell follows officers targeting the problem of drugs in Swindon. 13 Episode 13 Episode 1327th June 2012 An appeal for the public's help in finding some rogue traders who conned an elderly couple out of £4,500. Plus, how Gwent police are cracking down on metal thieves. 14 Episode 14 Episode 1428th June 2012 An appeal from South Wales police to help catch the men who attacked a pensioner outside his home. Nicola Smith interviews the parents of murdered teenager Nikitta Grender. 15 Episode 15 Episode 1529th June 2012 Dyfed Powys police force appeals for help in the investigation of a prolonged attack on a Crickhowell pensioner in his home. Local reporter Nicola Smith follows an immigration raid in Aberystwyth, and we see what Dyfed Powys police are doing to prevent bikers' deaths on the roads. 16 Episode 16 Episode 162nd July 2012 West Yorkshire police appeal for help in tracking down a gunman who terrorised three students after a night out, and Nicola Rees learns about a crime-stopping computer. 17 Episode 17 Episode 173rd July 2012 Rav Wilding and the team appeal for help in identifying the bogus police officer who conned his way into an elderly woman's home near Leeds, stealing her life savings. 18 Episode 18 Episode 184th July 2012 The team present an appeal for help in finding the men involved in an apparently unprovoked attack on a young father, leaving him with serious injuries and a long stay in hospital. 19 Episode 19 Episode 195th July 2012 From the South Yorkshire police's dog training centre, Dave Guest and Nicola Rees meet the latest puppy recruits and the dogs especially trained to work with firearms officers. 20 Episode 20 Episode 206th July 2012 Rav Wilding and the team present a final chance to help the police catch some crooks. Rav is in the studio, with the wanted faces the police need to find.