HIGHLIGHT: Melvyn Bragg on TV: The box that changed the world Using archive film, the broadcaster and his guests examine the impact of 80 years of British television.

Saturday 9pm, BBC2

TELEVISION: Sunday 4.45pm (BBC1) Songs of Praise Aled Jones visits Chatsworth House.

Monday 8.30pm (BBC1) The Betrayed Girls A documentary about the sex trafficking of teenage girls in Rochdale in 2012.

RADIO: Sunday 6.05am (R4) Something Understood The Revd Malcolm Doney explores the part played by imagination in human existence and development.

8.10am (R4) Sunday Worship An ordination service for Petertide from Guildford Cathedral.

9.30am (World Service) Heart and Soul David Cook looks at allegations of child abuse in the Jehovah’s Witness community.

3pm (R3) Choral Evensong A repeat of the recording from March 2017 of the choir of Merton College, Oxford, singing Anglican evensong in St Peter’s Basilica, Vatican City.

Monday 9am (R4) Start the Week Andrew Marr and guests, including Richard Dawkins, ask whether scientists are communicating their work to the wider public.

Wednesday 3.30pm (R3) Choral Evensong Live from Durham Cathedral.

Thursday 12pm (R3) Composer of the Week: Charpentier Donald Macleod explores Marc-Antoine Charpentier’s work for the Jesuits (4/5).