In the quest for truth, Adam Curtis' documentaries are right up there. Don't miss "All Watched Over By Machines Of Loving Grace" which is running this month on BBC2. And while we're on the subject, here're some other non-fiction must-sees. Cosmos, Scratch, Anvil, The World At War, Jacques Cousteau, The Filth and The Fury, Hearts of Darkness, The Mystery of Picasso and When We Were Kings.