TV Guide BBC Four Sunday

Seema Jaswal presents live coverage of the evening session on day nine at the Crucible Theatre in Sheffield, featuring the second and penultimate sessions of two second-round matches. Should they have both won their first-round encounters, Ronnie O'Sullivan and John Higgins will continue their long-standing rivalry this evening. The two players have won this competition 11 times between them, with seven of those titles going to O'Sullivan. With commentary and analysis from Steve Davis, Ken Doherty, Steven Hallworth, Stephen Hendry, John Parrott, Joe Perry, Dennis Taylor and Lee Walker

Orchestral concert film, taking a journey along rivers around the world accompanied by music composed by Richard Tognetti and William Barton. Footage from different landscapes reveal how rivers have shaped the world, creating caverns, valleys and fertile plains, and revealing how they have shaped the history of human civilisation, and been affected by it in turn. Narrated by Willem Dafoe

Richard E Grant concludes his exploration of the French Riviera's artistic legacy by focusing on how art and celebrity became intertwined in the early part of the 20th century. Resident artists such as Picasso and Matisse found the sun-drenched landscape ideal for experimenting with their work, and as the region became a creative hub, the likes of novelist Jean Cocteau and ballet impresario Sergei Diaghilev were drawn to the area. This artistic community also liked to party on the Cote d'Azur's beaches - a pastime that proved equally irresistible to the American multimillionaires arriving in the area on board transatlantic liners