TV Guide Sky Mix HD Saturday

A man returning from Vietnam has something in his bag that he doesn't want his mother to see, while an emotional American woman says she is visiting Australia to tie up some loose ends from a failed relationship - but a mystery man arrives and turns her story upside down. Two Chinese visitors squabble among themselves when officers discover prohibited items in their bags, and things get messy when searching a large container

A woman returning from a trip to China has a tantrum, and officers want to know why she has business cards for a Sydney brothel and passports for three unknown Chinese women. An elderly New Zealander says he has turned over a new leaf, but his track record may stop him from attending an important family event

Officers investigate a man arriving from Beijing who has strong readings for narcotics on his belongings, while three men claim they are in Australia to visit a temple that does not appear to have been built yet. Plus, a mobile X-ray unit is needed to inspect some large rolls of fabric from Thailand

A man tries to get a bag of meat through customs and would rather go to court than pay the fine, and a suspicious woman attracts the attention of security. Elsewhere, an Indian student has been skipping school and faces being sent home

A woman tries to smuggle a very expensive gift back into Australia, while an escort and his boyfriend are held in separate immigration interview rooms. Plus, an elderly lady returns from Turkey with a bag of nuts and seeds, and a light posted from Hong Kong looks suspicious under x-ray

A couple from the Solomon Islands are caught carrying seeds in their luggage. 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

A teacher fallen on hard times becomes an au pair to an infamous New York property tycoon, and struggles to win over her new employer and his children. Romantic drama, starring Kalinka Petrie and Jefferson Brown

David Attenborough shifts the focus to bugs that prefer co-operation rather than conflict. They include burrowing cockroaches, the suitably named social spiders - which share a 30-metre web - the queen bee and her happy hive of workers and green ants pulling together to build a nest

The broadcaster concludes his close-up examination of the creepy-crawly world, shifting focus to the bugs' ultimate invention - the colony. Key residents of these minuscule mega-cities include honey bees, termites, leafcutter ants - who have a knack for farming - and their Argentine cousins, members of a community so vast it spans an entire continent

Police in Crewe use their persuasive powers to calm down an excitable youth, Wrexham officers rush to the aid of a colleague in distress, and policemen in Torquay help a woman who was knocked to the ground by her boyfriend