TV Guide Sky Witness Thursday

When a psychologist with national security information goes missing on a hike in the Swiss Alps, the Fly Team works alongside Agent Tyler Booth to find him. Meanwhile, Mitchell receives unnerving news regarding his biological father

Series following the work of Britain's police dogs and their handlers on armed raids and sieges. Officers with the Metropolitan Police Dog Unit use sniffer spaniels as they conduct daytime drug searches on the streets of Camden, and Alsatians track and attack armed robbers at night. Narrated by Ken Stott

Fly-on-the-wall documentary accessing the world of national security at Australia's biggest airports as customs and immigration officers tackle drug runners, illegal immigrants and terrorists

Officers suspect a passenger from Hong Kong is carrying drugs and quarantine find some double-sided metal swords in a passenger's bag. Immigration are concerned about a Malaysian passenger's intentions

Crime drama, starring Missy Peregrym and Zeeko Zaki as FBI special agents Maggie Bell and OA Zidan. The team welcome a new member as they search for the killers who orchestrated a mass shooting at a media company - but OA's personal connection with the case threatens to cloud his judgement

A focus on the police canine unit in West Yorkshire, home to hard-working sniffer dog Bella and expert tracker Otto - who is on the hunt for an escaped car thief. Beth the German Shepherd is taken on an emergency trip to the vet and there is a profile of a dog capable of catching killers. Narrated by Ken Stott

Fly-on-the-wall documentary accessing the world of national security at Australia's biggest airports as customs and immigration officers tackle drug runners, illegal immigrants and terrorists

Fly-on-the-wall documentary accessing the world of national security at Australia's biggest airports as customs and immigration officers tackle drug runners, illegal immigrants and terrorists

Fly-on-the-wall documentary accessing the world of national security at Australia's biggest airports as customs and immigration officers tackle drug runners, illegal immigrants and terrorists

Fly-on-the-wall documentary accessing the world of national security at Australia's biggest airports as customs and immigration officers tackle drug runners, illegal immigrants and terrorists