TV Guide BBC Four Saturday

David Attenborough looks at the wildlife of Europe, a crowded continent hiding the most surprising animals in pockets of wilderness. Gibraltar Nature Reserve is home to Europe's only wild population of primates, with its Barbary macaques living a life of kidnapping and high drama, while in the cemeteries of Vienna graverobbing European hamsters do battle with one another. Italian mountain villages are the hunting grounds for rarely seen wolves, and lynx lurk in the forests of Spain

Leonard Sachs hosts a 1977 edition of the old-time music hall programme, with Val Doonican, Sheila Steafel, Rita Morris and Dailey & Wayne entertaining an audience from the stage of the Leeds City Varieties

A concerned mother hires Hetty to find out who is stalking her daughter just days before her wedding. It's not long before the unlikely sleuth is on the trail of a disgraced soldier with a grudge against the father of the bride-to-be. Light-hearted drama, starring Patricia Routledge and Derek Benfield

Romero tells Claire and Jon that Adama had been interviewing migrants for his thesis, and O'Neill is wounded while searching for the envelope. Immigration hostel manager Tomas Torres grows anxious after a police visit, and, identified using CCTV from Nick's office, an Irish ex-criminal living in Bilboa is interviewed by Claire. In English and Spanish

Bruno is caught by police at Sanihaz, the medical waste facility Olatz had visited. He claims his cousin Tomas was responsible for the people-smuggling and murders. However, footage of O'Neill and images of Tomas prove Bruno is lying about the killer's identity. The smuggling profits fail to explain Nick's involvement. In English and Spanish

Highlights of Michael Parkinson's interviews with leading actresses Bette Midler, Lauren Bacall, Ingrid Bergman, Bette Davis, Raquel Welch, Shirley MacLaine, Gloria Swanson and Miss Piggy