BBC Four Monday

How animals and plants deal with the changes in the environment that occur every autumn, from gathering supplies for the coming winter to seizing the last chance to mate

Professor Alice Roberts follows a decade-long historical quest to reveal a hidden secret of the bluestones of Stonehenge

Robert Robinson presides over another duel of words and wits as Frank Muir, Joanna Lumley and Russell Harty take on Patrick Campbell, Nanette Newman and Bryan Forbes

Joseph Cooper hosts the 100th edition of the musical quiz and is joined by Judith Jackson, Robin Ray and Richard Baker. With guest musician Ian Wallace

A 1993 documentary exploring three decades of Soviet space culture,from the glory days of Yuri Gagarin to the saga of cosmonaut Sergei Krikalev

Marking the first 150 years of the Tube, the world's oldest underground railway system and a peculiarly British institution used by three million people every day

Bryan Magee is joined by Hubert Dreyfus to examines the principles developed by Edmund Husserl, Martin Heidegger and other modern existentialist philosophers

Bryan Magee is joined by Sidney Morgenbesser to discuss the work of CS Pierce, John Dewey and William James, known collectively as the American pragmatists

Joseph Cooper hosts the 100th edition of the musical quiz and is joined by Judith Jackson, Robin Ray and Richard Baker. With guest musician Ian Wallace

Professor Alice Roberts follows a decade-long historical quest to reveal a hidden secret of the bluestones of Stonehenge