BBC Three HD

Programmes start at 7.00pm.

A round-up of the day's news.

Steve goes in search of ocean acrobats, mischievous coyotes and deadlies in miniature - but he ends up having an encounter with a humpback whale he will never forget.

Steve Backshall tracks cheetahs across Zambia by motorbike, witnessing epic hunting and the challenges faced by this endangered predator.

With the leaderboard closer than ever, all four teams leave Zaamin National Park and race towards the next checkpoint, Almaty, Kazakhstan's former Soviet-era capital.

Teenager Pip investigates the disappearance of 17-year-old Andie Bell. Contains some strong language.

Pip turns her attention to Andie's best friends and finds out Andie had a secret life. Contains some strong language.

When Pip follows new leads on the case, she takes bigger risks and enters the world of sex, drugs and rock 'n' roll. Contains some strong language.

An award-winning film-maker documents her best friend's journey into an assisted marriage. Contains some strong language.

Yinka Bokinni explores the life of Sean Combs, now jailed on prostitution-related charges. Contains very strong language and some upsetting scenes.

How Instagram became the dominant force it is today, told by those on the inside. Contains scenes which some viewers may find upsetting.

Tommy's at rock bottom after the worst year of his life, but he's planning a comeback. Contains very strong language.

Tommy's fight is called off, but hope sparks with Molly-Mae. Contains strong language.

Programmes start at 7.00pm.

Programmes start at 7.00pm.

A round-up of the day's news.

Steve dives with 100 grey nurse sharks, a wobbegong and a whale shark.

Steve is underwater in Indonesia with funny-looking frogfish, a stargazer, flamboyant cuttlefish, a mimic octopus and a Bobbit worm.

The designers turn sailors' mess decks at an air station into morale-boosting spaces.

At 11 years old, Alex vanished on holiday with his mother and grandfather for six years. Now, he's retracing his steps across Europe to tell the full story for the first time.

Chloe Ayling is kidnapped by a criminal gang, and the police operation begins. Contains some scenes which some viewers may find upsetting.

Trapped in a remote farmhouse, Chloe must find a way to gain control over her kidnapper. Contains some scenes which some viewers may find upsetting.