BBC Four HD

When Reggie set off for work on Tuesday, he had no intention of calling his mother-in-law a hippopotamus, but he did and life would never be the same again.

Reggie wants a holiday, but what he gets is an afternoon in hell driving around a safari park in a hot, sweaty, smelly car. There's also a possibility that he might lose his temper with his son-in-law.

Steve and the team make a last attempt to reach the summit of the tepui, then move on to a new tepui. Steve then joins a team of Italian cavers to venture deep inside a newly discovered cave. They discover strange creatures and geological forces.

Friends, family and co-stars share their memories of Elizabeth Taylor, the Hollywood icon who died in March 2011. Famous for her many husbands, love of diamonds and her AIDS fundraising, the actress who won two film Oscars and was awarded an honorary Oscar for her humanitarian...

Mathematician Professor Marcus du Sautoy demystifies the hidden world of algorithms. By demonstrating some of the algorithms most essential to people's lives, he reveals where these 2,000-year-old problem-solvers came from, and how they work.

BBC FOUR is the BBC channel for people who want more. More depth, more range, more to stimulate the mind.

BBC FOUR is the BBC channel for people who want more. More depth, more range, more to stimulate the mind.

BBC FOUR is the BBC channel for people who want more. More depth, more range, more to stimulate the mind.

BBC FOUR is the BBC channel for people who want more. More depth, more range, more to stimulate the mind.

Coverage of the 2026 Test series between England and Pakistan.

Highlights from a summer of extraordinary music at the world's biggest classical music festival. From Berlioz to Beethoven, Miles Davis to Marvin Gaye - a special selection of the best musical moments from across the season, including performances from Sheku Kanneh-Mason, Jess...

Described as 'a long journey backwards to go forwards', Selina Thompson's one-woman show Salt premiered in 2016. It quickly garnered awards and international success, and in 2021 it was adapted for TV - part drama, part documentary. Selina tells us about the background to the...

Performance artist Selina Thompson recreates her award-winning and deeply personal monologue about her journey by cargo ship, retracing the route of the transatlantic slave trade.