Top 10 Picks of the Day – Tuesday 22 September

Twelve new bakers and a brand-new judge - Nigella Lawson joins Paul Hollywood, Noel Fielding and Alison Hammond for more salivating Signatures, tantalising Technicals and sensational Showstoppers.

The final part of the documentary series brings the participants together for one last reckoning with their extraordinary lives - and with the series that has followed them since childhood. Sue, Bruce, Jackie, Suzy, Peter, John and Andrew each revisit the hopes and expectations captured on film throughout their lives, with their stories having become a collective portrait of Britain across seven decades, and of the forces of class, education, wealth and opportunity that have shaped them

Documentary following staff and patients in the A&E department of Southmead Hospital in Bristol

Iain Stirling challenges teams to create seaside-inspired sand sculptures against the ticking clock of the incoming tide

Documentary providing an insight into the lives and motivations of the unpaid volunteers who sacrifice their free time to staff more than 200 RNLI lifeboat stations across the UK.

Third and final series of the sweet and spiky Australian sitcom starring Patrick Brammall as Gordon and Harriet Dyer as Ashley.

Paddy McGuinness challenges a group of 12 strangers to make a gruelling trek across the South African wilderness - and resist a series of temptations along the way

A woman grows suspicious when her husband, who has dementia, refuses to leave their home. Mystery thriller, starring Amy Nuttall and Douglas Henshall

A fading pop idol attempts to salvage her career by joining a soap opera, but her life soon takes a sinister twist. She begins to imagine a mirror-image of herself as a singing star, Internet sites about her appear, a stalker follows her every move and friends are threatened and even killed. Will she ever be able to separate reality and illusion? Japanese animation, with the voices of Junko Iwao, Rica Matsumoto, Shinpachi Tsuji and Masaaki Okura

Irish playwright Samuel Beckett's Krapp's Last Tape was first performed in 1958, but the themes of the play continue to impact strongly at a time when people's past lives can be stored and curated like never before. Marie-Louise Kerr explores how Beckett's mid-20th century analogue story has come of age in the digital world, using memory, recordings and AI. She meets Sean Doran, curator of the Beckett Biennale, who has already stored two voice recordings of actors Sam West and Richard Dormer, with the aim of putting on the plays in 2036 and 2038 when both actors are 69