BBC Three HD SkyTV

Are tech giants' social media algorithms pushing harmful content while police are fighting a global cybersex crime wave? Contains some strong language and upsetting scenes. [S,AD] [HD]

8/10. With his hand healed, Tommy's back in training and focusing on family time. Meanwhile, John has had a health scare... Contains some strong language. [S,AD] [HD]

9/10. Molly comes to support Tommy at a triathlon, but there's a backlash. Contains strong language. [S,AD] [HD]

10/10. Tommy receives some terrible news that reminds him to live life to its fullest. Will he manage the biggest physical challenge yet? Contains strong language. [S,AD] [HD]

Journalist Tir Dhondy meets the gang members behind the rise in luxury watch theft. Contains some strong language. [S] [HD]

Single, penniless poet Ruby's strict Presbyterian neighbours descend on her mum's home. Contains adult humour. [S] [HD]

Programmes start at 7.00pm. [HD]

Programmes start at 7.00pm. [HD]

A round-up of the day's news. [S] [HD]

Braving the Bait Balls. Steve searches for giant bait balls in Mexico. [S] [HD]

South America's Weirdest. Steve searches for deadly animals living in the capital of Suriname. [S] [HD]

8/9. After more than 11,000km across eight countries, the teams face one final test of endurance as they race to claim victory at the finish line in Hatgal, Mongolia. [S,AD] [HD]

9/9. Six months after the race, all five teams reunite to relive their 12,000km journey from Palermo to Mongolia, with unseen moments and unprecedented behind-the-scenes access. [S,AD] [HD]

1/4. Louis Theroux explores how some people's most fervent beliefs can lead to conflict. Contains some strong language and some upsetting scenes. [S,AD] [HD]

2/4. Louis Theroux explores how America has taken our darkest desires and commodified them. Contains very strong language and some scenes of a sexual nature. [S,AD] [HD]