Mapping the Town (11.00 am R4). Julian ( Meet the Ancestors ) Richards starts a new "hidden history" beginning with Cardiff.
Afternoon Play – Victorian Marriage Beds (2.15 R4). About Strindberg and his two wives. With comments from Swedish social historians Asa Bergenheim and Margaretha Fahlgren.
Long, Long Ago (3.30 R4 and for rest of week). Folk tales from different cultures, beginning with an Amerindian myth from Guyana.
Pier People (3.45 R4 and for rest of week). British piers, lost or still surviving, beginning with Clevedon. Llandudno (Tues), Southwold (Wed), Brighton (Thurs) and Blackpool (Fri) follow.
Cementing the Ties (8.00 R4). How a group of teachers have set up links between Oldham and rural Bangladesh.
The Search for Atlantis (8.00 C5). Some of the Atlantis enthusiasts - Madame Blavatsky, the Nazis …
Universe (8.00 C4). "Alien Life" (repeat).
University Challenge (8.00 BBC2). Durham vs. Imperial College, London.
» Meet the Ancestors (8.30 BBC2). Burials in Bamburgh, Northumberland, apparently from the period when the kingdom of Bernicia was flourishing. (Re-runs can be seen on UK Horizons, Friday and Monday 2.00).
Loving the Alien: The Real Erich Von Däniken (9.00 C4). The notorious author, his pseudo-archaeology - and his projected Swiss theme-park.
Journeys to the Bottom of the Sea (9.00 BBC2). Repeat of American "adventurer" Barry Clifford's search for a seventeenth-century French fleet shipwrecked off Venezuela.
» Night Waves (9.30 R3). On design in modern culture, with Angela McRobbie. Plus Oxford's Oliver Taplin on Tantalus .
Everyman: Chained Women (10.35 BBC1). Divorce under orthodox Jewish law.