6.40 Navigation

7.30 Cyanide, Crystals and Co-ordination

9.0-9 20 Twentieth-Century History Cold War - Confrontation
9.47 Everyday Maths
Try it for Size
10.10 Merry-go-Round Light and Shadow
In the first of five programmes about light, TONY AITKEN visits the Canary Islands and looks at some of the effects of sunlight. Producer DIANE MORGAN
Series producer EDWARD HAYWARD
10.35 Scene
Personal View: Ian Dury
11.5 It's Maths! Area
11.30 Search . The Coastline of Wales - Islands
Islands have a special appeal for many people. Today a visit to
Skomer, probably the finest island bird sanctuary in the British Isles. Presenter NOREEN BRAY Producer GWYNN PRITCHARD

Weather JOHN SHERWOOD

In Plants and History botanist and writer on the countryside, Richard Mabey , finds out some more details about our urban areas by looking at the plants that grow there.
Also Film Focus with Tony Bilbow

A See-Saw programme by DAVID MCKEE
The Magician finds a way to get King Rollo to take a bath. Narration RAY BROOKS
Music DUNCAN LAMONT Animation LEO BELTOFT
Producer CLIVE JUSTER

A See-Saw programme With BRIAN CANT
Brian has fun finding things that begin with the same sound as fridge, fence, flowers and flippers among his Bric-a-Brac, and unfolds a book full of circus folk-International Circus by LOTHAR MEGGENDORFER.
Written and directed by NICK WILSON Produced by MICHAEL COLE

A series for 4- and 5-year-olds, and adults watching with them.
Introduced by Christopher Neil.

2.15 Music Time
The Evening Star
2.40 Television Club
A Place Like Home: Lydia

A cartoon series
Arch villain 'The Hooded Claw' schemes to inherit the wealth of the beautiful heroine. But the Ant Hill Mob race to rescue Penelope from her direst peril.
(Repeat)

Continuing the story in 26 parts
Heidi is disappointed when Dr Klassen arrives alone and tells her that Klara is not strong enough to travel from Frankfurt. Heidi's grandfather and the doctor become friends and he promises to return to the mountains.
Produced by Intertel Television AG
English version directed by Louis Elman for Leah International Productions

with Simon Groom
Sarah Greene and Peter Duncan
Appeal Auction: Last Tuesday all the collectors' items donated to the Bring and Buy Sale for Disabled People were auctioned at Phillips. Find out whether the proceeds have raised the appeal total to f 1-million.
Assistant editor RENNY RYE Editor BIDDY BAX rER

Introduced by Tony Hart
An animation series with Morph and his friends in their under-the-table world.

with Peter Woods ; Weatherman

Look East, Look North
Look North West, Midlands Today Nationwide (London and SE) Points West, South Today Spotlight South West

with the team of FRANK BOUGH
SUE LAWLEY, RICHARD KERSHAW HUGH SCULLY and SUE COOK
Including Grass Roots: presented this week by Sheila Young from Points West in Bristol.
(Regional details as Tuesday)

Introduced by Peter Powell
Legs & Co
Choreography Flick Colby Sound Peter Barville Lighting Henry Barber Designer Paul Trerise Produced by Michael Hurll
Recording (same title) of artists from the series (record BELP 016, cassette ZCF 016), from record shops

Written by Ian Kennedy Martin
A series in six parts with David Yip as Detective-Sergeant John Ho

The murder of a Chinese club owner sets John Ho in the middle of a gangland struggle for power - and into the bad books of Chief Inspector Berwick.
(Tonight's story concluded next week)
Book (same title), paperback £1.50, hardback £6.25 from 14 May, from bookshops Theme music on a single (RESL 91), from record shops

The murder of a Chinese club owner sets John Ho in the middle of a gangland struggle for power - and into the bad books of Chief Inspector Berwick.

Robin Day takes the chair on stage at the Greenwood Theatre, South London, as public personalities face questions and reactions from the general public. With him tonight:
Professor Ralf Dahrendorf Ken Gill
Helene Hayman
Lord Thorneycroft
Producer BARBARA MAXWELL

with guest stars
Brad Dexter, Carmine Caridi Unwanted Partners
Detective Crocker is faced with a conflict of loyalties when one of his best friends becomes the chief suspect in a case involving a protection racket - and murder.
Written by BURT ARMUS
Directed by SIG NEUFELD