TV Guide BBC Scotland Saturday

Leslie Mitchell announced the official opening of the first high-definition public television service in the world an 2 November 1936. Forty years later, from the same studio at Alexandra Palace, he traces the origins of television from the beginning of this century to the first outside broadcast - the coronation of George VI in May 1937. First broadcast in 1976

During the Second World War, government scientists from Porton Down attempted to weaponise anthrax, creating a deadly strain that they then tested on Gruinard Island, an uninhabited site off the north-west coast of Scotland. This documentary reveals how in 1981 a shadowy group of Scots activists got the island cleaned up by claiming to have removed 300lbs of soil contaminated with anthrax

Biopic of Aretha Franklin, following the first three decades of her life, from being born as a musical prodigy in an affluent African-American family, the repercussions of losing her mother at age 10, to her arduous rise to international musical stardom, while enduring an abusive marriage, ultimately concluding with the recording of her influential live album Amazing Grace. Starring Jennifer Hudson and Forest Whitaker