Thatcher: A Very British Revolution, BBC2, 9pm
THE concluding part of the documentary looks at how Margaret Thatcher’s leadership style and the issues of Europe and the poll tax split her Cabinet and created public anger, leading to her downfall. Protests against the poll tax resulted in violence in central London but also widespread disenchantment in Tory strongholds across the country. Fractures emerge with senior Cabinet colleagues, worsened by her European policy, and Geoffrey Howe’s resignation leads to a leadership challenge.

War on Plastic with Hugh and Anita, BBC1, 9pm
ANITA Rani turns the attentions of the residents of the Bristol street to bathroom products and takes them to the local sewage works, where they get a very graphic introduction to the problem of wet wipes. Hugh Fearnley-Whittingstall examines why so much British plastic waste is ending up rotting on illegal dump sites in Malaysia. He presents his findings to UK Environment Secretary Michael Gove and travels to Plymouth University to learn about the prevalence of microplastics in nature.

Long Lost Family, STV, 9pm
SCAFFOLDER Nicholas Rhoades was adopted as a baby and some years ago went to the address on his birth certificate but decided against knocking on the door. It wasn’t his birth mum Jacqueline on the other side of that door, but his sister Cayley. In this week’s show, they finally get the chance to meet, and Nicky travels to Chicago to find out more about his mum. There is also a great-great-grandmother who’s desperate to find the daughter she was separated from more than 60 years ago.

Year of the Rabbit, C4, 10pm
THE detective and Strauss continue to hunt for the mysterious killer who has taken the guise of mythical figure the Brick Man, while Mabel joins them despite not having persuaded her father, Chief Inspector Wisbech, to give her a police badge yet. Tanner takes a hit that was meant for Rabbit, and Lydia emerges from the shadows with designs on Mabel. Comedy drama set in Victorian London, starring Matt Berry, with Alun Armstrong, Freddie Fox, Susan Wokoma, Keeley Hawes and Paul Kaye.