BBC Four Saturday

Dr Janina Ramirez heads to Mexico to investigate the discovery by a husband-and-wife explorer team of a lost civilisation

Paul Rose recounts the story of an 18th-century French expedition to determine the shape of the Earth. Beset by problems from the start, the mission became a tale of death and woe

Arlette Caruso, the Mayor of a small town on the Sambre, is horrified to learn that one of her employees has been raped. In French

A Belgian investigating judge asks a university researcher to use algorithms in an attempt to determine where the rapist lives. In French

Terry Wogan speaks to actress Sophia Loren about plastic surgery and her time in prison. He also chats to comedy writers Terry Jones and Dick Clement and Ian La Frenais

The king of chat remembers highlights of his interviews with comedy DJ Kenny Everett, all-round entertainer Roy Castle and and US showbusiness star Sammy Davis Jr

Hyacinth's wealthy acquaintance Mrs Fortescue, whose sister married a baronet, asks her for a lift into town - but things do not go according to plan

Paul Rose recounts the story of an 18th-century French expedition to determine the shape of the Earth. Beset by problems from the start, the mission became a tale of death and woe

Dr Janina Ramirez heads to Mexico to investigate the discovery by a husband-and-wife explorer team of a lost civilisation