A selection of the best editions of the programme.
Sue MacGregor reunites cast and crew from the original 1981 stage musical Cats.
Sue MacGregor reunites five people from the ground-breaking 80s TV comedy The Young Ones.
Sue MacGregor reunites five key players from the British film, Four Weddings and a Funeral
Fifty years on, Sue MacGregor reunites the founding cast and crew of Doctor Who.
Sue MacGregor's guests discuss the Challenger space shuttle disaster of 1986.
In the 100th edition from Dallas, Sue MacGregor and guests recall the JFK assassination
Sue MacGregor reunites the key figures from the Roger Moore James Bond years.
Sue MacGregor reunites five women who ruled the world of pop in the 1960s.
Sue MacGregor's guests remember the epic battle to ban the MI5 memoir Spycatcher.
Sue MacGregor reunites those involved in the controversial Miss World 1970 beauty contest.
Sue MacGregor reunites former political prisoners incarcerated with Nelson Mandela.
Sue MacGregor's guests recall the Hutton Inquiry and the BBC's bitter row with government.