9.42 Watch!: Shadows

10.0 Countdown: As Long as a Piece of String

10.25-10.45 Television Club: Lost Underground

11.0 Merry-go-Round: The Crocodile: Part 1: Stranger from the Sea

11.25 Science Extra: Biology: Patterns of Behaviour

11.50 Twentieth-Century Focus: Plastics or Perish?

Welsh 'pop' show

With Bob Langley
and Weatherman Bert Foord

(Colour)

A programme for shoppers
Information, advice, ideas and interviews direct this week from the new shopping centre in Basingstoke.

A quiz programme
Introduced by Paddy Feeny

Chairman Prof Gordon Atherley University of Aston

Presented by Paul Barnes and Judith Davis

(Colour)

This week writer David Bean continues his wanderings in the North country; he covers the section from Helmsley, past Rievaulx Abbey, up the old drovers' road to Osmotherley, and on to Captain Cook's Monument near Great Ayton, in Cleveland Country.

(BBC North East)

A programme for children under 5

with Eranga and Prianga

(Colour)

with John Noakes, Peter Purves, Lesley Judd

Wilbur and Orville Wrong let the Kids into the secret of the aeroplane.

(Colour)

with Richard Baker; Weather

with Look North, South Today, Look East, Midlands Today, Points West and Spotlight South West bringing you news and views in your region tonight
(including Regional Weather)
Presented by Michael Barratt, Frank Bough and Bob Wellings

by Len Rush
Starring James Ellis, Gary Watson, Ian Cullen, Douglas Fielding

Connor comes back to vandalism and conflict with some local big-wigs... and Skinner's in a spot of bother...

with Robert Dougall and Richard Whitmore; Weather

On St David's Day
Cliff Morgan introduces a thousand Welsh Male Voices from eleven different choirs in a Gala of Song from the Royal Albert Hall in London. Ten choirs from the towns and villages of South Wales join their hosts and the organisers of the festival, the London Welsh Male Voice Choir. Delme Bryn-Jones forsakes the opera stage for the evening to sing some Welsh traditional songs. Conducted by Roy Bohana
(The Band of HM Welsh Guards and the Pontarddulais Male Choir include the themes from Colditz and War and Peace on record REC 146S, from most record shops, 11.49)

Written by Sid Colin
with David McKellar, David Nobbs
[Starring] Frankie Howerd
with Bill Fraser as the Caliph, June Whitfield as Charisma and Derek Francis as the Wazir

The Caliph wants a concubine; but one of Ali's charges is in line...

From Bratislava

The Ladies' Championship
American Janet Lynn, the Canadian, World and Olympic Silver medallist Karen Magnussen and Britain's Jean Scott, the European Silver medallist, compete tonight for the world title.
Presented by the Czechoslovakian Television Service