BBC Four Wednesday

Focusing on the development of the steamship, from the earliest paddle vessels to the Royal Yacht Britannia

Tim and Shane sail from the Cumbrian port of Whitehaven to Portpatrick near Stranraer. They also meet their son Rafe on the Isle of Man and visit Tim's favourite pub in Belfast

Michael Palin's journey through southern Africa is beset by minor mishaps - but they are nothing compared to the shocking news he receives in Johannesburg

The people and surrounding area of Squam Lake in New Hampshire, made famous by Oscar-winning film On Golden Pond

Saul David charts the history of the war and examines important stories, looking at how the understanding of them has been re-defined

Inspector Kurt Wallander searches for a link between three apparently motiveless murders, and tries to identify a girl who doused herself in petrol and burned to death

Documentary tracing the history of the death sentence, examining the protocol of public execution and the science of hanging

Focusing on the development of the steamship, from the earliest paddle vessels to the Royal Yacht Britannia

Tim and Shane sail from the Cumbrian port of Whitehaven to Portpatrick near Stranraer. They also meet their son Rafe on the Isle of Man and visit Tim's favourite pub in Belfast

Michael Palin's journey through southern Africa is beset by minor mishaps - but they are nothing compared to the shocking news he receives in Johannesburg

Saul David charts the history of the war and examines important stories, looking at how the understanding of them has been re-defined