TV Guide Yesterday Wednesday

On the evening of December 3, 1926, Agatha Christie left her home in Sunningdale, Berkshire, in her Morris Cowley. Ten days later, Agatha was discovered in a hotel in Harrogate, claiming to have lost her memory. Lucy Worsley delves into this traumatic, watershed moment in Christie's life. She visits the key locations, from the chalk pit where Agatha crashed her car to Abney Hall, the grand house where she took refuge (and which would inspire several of her books)

Michael Portillo reaches the most westerly station in Wales, on the final leg of his rail journey along its southern coastline. At Milford Haven, Michael learns from the Harbour Master about the biggest energy port in the United Kingdom, which has an oil refinery and storage terminals as well as natural gas terminals. Further along the estuary at Pembroke Dock, Michael visits a pioneering project to harness the power of the sea

Michael Portillo returns to travel by train to more places around the British Isles, beginning by heading to the self-governing Isle of Man - a paradise for rail lovers. His first stop on the Manx Electric Railway is the capital of Douglas, where he reveals the island's parliament the Tynwald is older than Westminster, before the Isle of Man Steam Railway takes him down the east coast to Castletown, from where he heads to the Norse Castle Rusheword

Michael Portillo begins this leg of his journey at Liverpool's historic waterfront, where he visits the International Slavery Museum at Royal Albert Dock, before heading underground to discover one of the most important and secret rooms of the Second World War, the Royal Navy's Western Approaches Headquarters. His next stop is Crosby on the Merseyside coastline in Sefton, before making his way north to Blackpool, the last stop on this leg of his journey

Michael Portillo continues his journey across the vast and beautiful Morecambe Bay, where he joins one of the town's last shrimpers to find out how potted shrimp is made, From there, Michael makes his way to Arnside on the Furness Line, where he discovers a magnificently quirky 17th century garden, and across the Arnside viaduct, he reaches Cartmel and its 12th century priory and a Michelin-starred restaurant

Documentary examining the rule of Adolf Hitler and his party, focusing on the Eastern Front during the Second World War, which many see as the defining arena of the conflict. In the autumn of 1940, Adolf Hitler has to decide what to do about the Soviet Union and its leader Joseph Stalin. He offers to carve up the post-war world in exchange for his fellow dictator's support in the war against Britain, but is actually preparing an attack on the USSR

Fiona Bruce presents the show from Piece Hall in Halifax, the only surviving 18th-century cloth hall where textiles were once traded. Items featured include a sapphire that jewellery specialist John Benjamin thinks is the biggest he has ever seen - but which the owner thinks is fake. Other finds include a Chinese imperial robe, a mysterious set of 17th-century doors, and the oldest piece of glass to ever appear on the show

Fiona Bruce presents the show from Wrest Park, Bedfordshire, one of the first stately homes in Britain to be converted into a hospital and convalescent home during the First World War. Items brought in to be valued include a diamond and ruby pendant, a rare snuff container, and competing pieces of Daum glassware

Documentary examining the rule of Adolf Hitler and his party, focusing on the Eastern Front during the Second World War, which many see as the defining arena of the conflict. In the autumn of 1940, Adolf Hitler has to decide what to do about the Soviet Union and its leader Joseph Stalin. He offers to carve up the post-war world in exchange for his fellow dictator's support in the war against Britain, but is actually preparing an attack on the USSR

In 1930, recovering from a personal crisis, Agatha Christie fell in love with and married Max Mallowan. This relationship, and the security it brought, saw Agatha enter the most prolific and successful chapter of her career. This would be the period in which Agatha penned some of her most famous and enduring bestsellers, including Murder on the Orient Express. Lucy follows in Agatha's footsteps to discover the roots of these works and explores how, in later life, Agatha achieved global celebrity - but remained very much the anonymous observer, hiding in plain sight