TV Guide BBC Three

Documentary exploring the Match Group, the corporation behind some of the world's biggest online dating apps, and revealing the duplicity at the heart of the matchmaking services on offer. Surveys consistently find the majority of users are seeking long-term and serious relationships. However, this programme reveals how they have been sold a lie, and are manipulated in the pursuit of profit

Richard Hammond is dropped into the remote, frozen wastes of Canada to test a watch with a built-in emergency beacon. The distress signal is sent directly to Jeremy Clarkson and James May, who get their hands on two machines and set off on an epic adventure to find their colleague. Jeremy puts the 471bhp Lexus RC F coupe thought its paces, and actress Gillian Anderson takes to the track in the Reasonably Priced Car

Part one of two. After a video featuring a female prison officer and an inmate having sex inside HMP Wandsworth goes viral, journalist Mobeen Azhar begins an investigation into what happened and why. A year of twists, turns and damning revelations pulls back the curtain on a dangerous wider world of coercion, corruption and contraband thriving behind bars

Part two of two. Mobeen Azhar's investigation into prison corruption uncovers the murder of a former officer who had been involved in exposing an illicit relationship. When news breaks of a prison governor being jailed for a relationship with a drug-dealing gang boss, Mobeen becomes determined to uncover the true extent of criminal influence inside our prisons