BBC Four Tuesday

Seema Jaswal presents coverage of the evening session on day four from the Crucible Theatre in Sheffield, featuring the conclusion of two first-round matches

Lucy explores how American history has been mythologised and manipulated by generations of politicians, writers and protesters, beginning by examining the American Revolution

Part one of two. Ken Burns recounts the collision between two opposing views of the natural world, which saw the buffalo led to the brink of extinction

A guide to life on the footplate of the nation's favourite steam engine, captured via 'cab cameras' placed aboard locomotive 60103 as it travels along the Severn Valley

Andrew Graham-Dixon examines the development of Impressionism, when France was changing at a rapid pace and young artists re-invented the rules of painting

Lucy explores how American history has been mythologised and manipulated by generations of politicians, writers and protesters, beginning by examining the American Revolution