PBS America (Freeview) Tuesday

Capri Cafaro learns about cheese and beer in Wisconsin and learns how both serve as a guide to how German and Swiss immigrants shaped the culture of the state

The Siege of York in 866, when the Great Heathen Army laid claim to the Northumbrian capital

Part one of two. The impact of the Japanese attack on an American fleet anchored in Pearl Harbour in December 1941, leading to the US joining the Second World War

Part two of two. The team uncovers more U-boats as well as submarines sunk as part of the German surrender and dives to the wreck of Hitler's deadliest vessel

The inside story of the murder of Alexander Litvinenko in November 2006 by means of the radioactive poison polonium 210, and of the international manhunt that led to the Kremlin

The Siege of York in 866, when the Great Heathen Army laid claim to the Northumbrian capital

Part one of two. The impact of the Japanese attack on an American fleet anchored in Pearl Harbour in December 1941, leading to the US joining the Second World War

Part two of two. The team uncovers more U-boats as well as submarines sunk as part of the German surrender and dives to the wreck of Hitler's deadliest vessel

The inside story of the murder of Alexander Litvinenko in November 2006 by means of the radioactive poison polonium 210, and of the international manhunt that led to the Kremlin

Part one of two. The impact of the Japanese attack on an American fleet anchored in Pearl Harbour in December 1941, leading to the US joining the Second World War