4/6 Only one man can save Mrs Wren. But can he be bothered?
BBC HD & BBC Two except Northern Ireland
3/6 Mr Lomax reveals more about his past and his hatred for Tony Hancock becomes clear.
BBC Two Northern Ireland
2/6 The search for the missing locket continues.
1/6 The survivors of the explosion at Ravenhill Psychiatric Hospital are reunited by a burial.
BBC HD & BBC Two