BBC North

A documentary about David Baddiel and Rob Newman making their TV series and going on tour around the UK culminating in there infamous Wembley Stadium performance.

The mysterious Mrs. Smith is entertaining - and one of her guests seems to know her from long before.

The golden age of cave exploration falls well within living memory. Veteran caver Jim Eyres, of the British Speleological Association, relives the last great Pennines discovery - the Lancaster Hole - which allowed access to miles of river-ways, caverns and grottos beneath the western dales.