A series featuring a selection of BBCtv programmes viewers have particularly asked to see again.

Introduced by Magnus Magnusson
Excavations on Santorini - a volcanic island 60 miles north of Crete in the Aegean - have revealed a Minoan city buried, like Pompeii, under a preserving mantle of volcanic ash. Does it hold the clue to Atlantis - Plato's legend of a lost idyllic land? Chronicle cameras try to find the answer.