HIGHLIGHT: Crowd Science Recorded in front of a live audience in Nairobi, Marnie Chesterton and a panel of experts cover issues from the superstition around mental health to the treatment methods in use in Kenya.

Friday 8.30pm, World Service

TELEVISION: Friday 7.30pm (C4) Unreported World A look at the bounty hunters trying to rescue teenagers in the sex-trafficking underworld of Houston, Texas.

Sunday 1.15pm (BBC1) Songs of Praise Katherine Jenkins is at Manchester Cathedral celebrating a 600-year anniversary. In Salford, the Revd Kate Bottley marks milestone moments for local Christians.

Monday 9pm (BBC1) Our Dementia Choir Sings Again with Vicky McClure The choir is going to sing live at Nottingham’s Splendour festival (2/2).

Wednesday 8pm (BBC1) The Repair Shop Among the items are wooden angels carved by Belgian refugees during the First World War and donated to a Lincolnshire church.

RADIO: Sunday 8.10am (R4) Sunday Worship A service from Lancaster Priory exploring St Luke’s Gospel in the week of his feast day (Tuesday).

10.30am (World Service) Heart and Soul The story of a tech multi-millionaire who gave up everything to become a Roman Catholic priest.

3pm (R3) Choral Evensong A repeat of this week’s service from Gloucester Cathedral on the 150th anniversary of the birth of Ralph Vaughan Williams.

Wednesday 4pm (R3) Choral Evensong From St Martin-in-the-Fields, in London, with the Soul Sanctuary Gospel Choir, recorded on 16 October.