(Season 1 Episode 3 of 12): The work of British Transport Police's canine units. Send in the Dogs airs on Sky Witness HD at 5:00 AM, Thursday 11 January. The work of British Transport Police's canine units
(Season 1 Episode 2 of 12): Two of Europe's most famous canine detectives. Send in the Dogs airs on Sky Witness HD at 5:00 AM, Wednesday 10 January. Two of Europe's most famous canine detectives
(Season 1 Episode 1 of 12): The work of Britain's police dogs. Send in the Dogs airs on Sky Witness HD at 5:00 AM, Tuesday 9 January. The work of Britain's police dogs
Sharp as a Tack (Season 1 Episode 5 of 12): A suspected drug den is raided. Send in the Dogs airs on Sky Witness HD at 9:00 AM, Monday 8 January. A suspected drug den is raided
(Season 1 Episode 4 of 12): The work of the police dog unit in West Yorkshire. Send in the Dogs airs on Sky Witness HD at 9:00 AM, Friday 5 January. The work of the police dog unit in West Yorkshire