BBC Two Northern Ireland HD Friday

Preview of upcoming programmes from BBC Two

A season-by-season chronicle of the Sperrin mountains. Spring sees farmers turn to lambing, while conservationists set out to restore the vital bogland at Mullaghcarn

Derek Brockway revisits three memorable walks from mid-Wales, featuring visits to the Craig-Y-Nos estate, Abergynolwyn and Llanwrtyd Wells

Coverage of the penultimate day of the World Artistic Gymnastics Championships, which takes place at IMS Arena in Jakarta, Indonesia

The journalist in conversation with people who influence our political thinking about what has shaped theirs

Rick Edwards hosts the quiz in which contestants compete for the chance to win £10,000, with a single 'impossible' answer knocking them out for the day

Quiz contest in which contestants race in moving podiums across the studio floor to try and win £5,000. Hosted by Roman Kemp and Sarah Greene

Jason Manford hosts the quiz in which contestants John, Maria, Caroline and Mark aim to find the single 'unbeatable' answer and streak ahead of the rest

Three chefs from the south west of England compete over mains and desserts celebrating great Britons of the past

The winds turn dry and bring drought, and as predators attack those animals that gather at precious waterholes, a bearded pig hunts for seafood and nomads haggle over camels

A collection of interesting finds from the show, with visits to Margam Country Park in south Wales, Highcliffe Castle in Dorset and Powderham Castle in Devon

Kola Bokinni, Sheli McCoy, John Parrott and Katie Piper test their general knowledge skills in the final round of challenges on double points Friday

Janette Manrara ends the week with more exclusives and chats with some of the remaining couples. She is also joined by a star-studded Friday Panel

Monty visits four contrasting gardens across southern Spain, including one built from the harshest of landscapes and another created by one of the country's leading designers

At Longmeadow, Monty Don is harvesting pumpkins in time for Halloween, and Frances Tophill reveals how her Devon garden has been developing

The historian examines Agatha's mysterious disappearance in December 1926 and reveals the influence this episode had on her writing

Sandi Toksvig considers Wales, whales, and wails with Elis James, Griff Rhys Jones, Kiri Pritchard-McLean and Alan Davies

Analysis of the day's events with Matt Chorley

A homicidal madman escapes from an asylum and goes on an unrelenting killing spree in his home town. John Carpenter's horror, starring Jamie Lee Curtis and Donald Pleasence

A bomber transporting a female pilot with top secret documents is haunted by a sinister presence. Second World War horror, starring Chloe Grace Moretz and Nick Robinson