9.8 Science Topics: Periodic Table
Millions of different substances from just a few chemical elements.

9.30 Everyday Science: Textiles
A murderer is brought to justice on the basis of the forensic examination of fibres from the scene of the crime. Producer MICHAEL COYLE

9.52 Look and Read: The Boy from Space: 2: The Spinning Compass

10.15 Mathscore One: 6: A Cover Up
To measure an amount of surface, Elaine Donnelly and Roger Sloman first investigate tessellations. Producer DAVID ROSEVEARE

10.38 Pages from Ceefax

11.0 History Trail: The Great Wen
As London grows, it changes the face of 18th-century England - and people's lives.

11.22 Religious and Moral Education: Man-Power
The intelligence and potential of the new-born child.

11.44 Going to Work: Telecommunications Work

12.5 Making the Most of the Micro: 2: Getting Down to BASIC
Developing the principles explained in Series 1 and showing in more detail what micros can do, and how to use them.
Presenter IAN MCNAUGHT-DAVIS

12.30 Micros in the Classroom
The second of five films about microcomputers in UK schools. Primary.

12.55 Speak for Yourself: 12: Getting a Refund on Faulty Goods
Presenters INDIRA JOSHI, BURT KWOUK, MARINA SIRTIS, ISLA ST CLAIR and TREVOR THOMAS suggest strategies which will help you if you need to return faulty goods. For more information in 13 different languages phone [number removed] after the programme (lines open until 5.30pm) or write to Speak for Yourself. Broadcasting Support Services, [address removed].

1.20 Pages from Ceefax

1.45 Around Scotland: The River Tay: 2: The River and its People

2.1 Scene: Two's Company?
How do you find a marriage partner? By instinct? By computer? Or by your parents' advice?

2.30 English File: Drama Skills 2: Play Acting
From 'read through' to 'first night'. Alan Ayckbourn directs his Theatre-in-the-Round company at Scarborough - in the premiere of a specially commissioned Acykbourn 'mini-play' A Cut in the Rates. With Lavinia Bertram, Michael Cashman and Liza Sadovy.
Film cameraman MIKE WILKIE Producer GEOFF WILSON

The Benson and Hedges Masters from the Wembley Conference Centre DAVID ICKE introduces further coverage of this afternoon's quarter-final match at Wembley. Commentators TED LOWE
JACK KARNEHM , CLIVE EVERTON Summariser REX WILLIAMS
Producer RICHARD TILLING
Executive producer NICK HUNTER

with subtitles, followed by Weather

The third of four St Trinian's classics tonight starring Cecil Parker George Cole , Joyce Grenfell
Their latest trick is their best ever-the girls of St Trinian's have burned down their school and are on trial at the Old Bailey. With the girls under lock and key, the authorities can relax - but for how long?
Screenplay by FRANK LAUNDER. VAL VALENTINE and SIDNEY GILLIAT
Produced by SIDNEY GILLIAT , FRANK LAUNDER Directed by FRANK LAUNDER Films: page 15

Phew! What a scorcher! Channel 2's live electronic magazine is back in the headlines. Yes, it's all in your bumper Friday issue.
Nick Rowan in big news probe. Music shock, UB40, Spear of Destiny and newcomers Academy in Dick Witts ' swoop. New York photographer Robert Mapplethorpe snaps pix Peter Powell in Welsh winter surfing horror. Plus full star guest features. No bingo. No crossword. No page three, (and the print doesn't come off on your hands).
Assistant producers STEVE SMITH
JONATHAN BULLEN. KAREN BLUMENFELD
Director JULIET MAY . BBC Manchester
(For tickets, info, comment or ideas write ORS 84, PO Box 27, Manchester)

In the south Indian state of Kerala, Shiva, the god of dance, exerts a mystic power over his disciples on this remote part of the Malabar coast. In work and in prayer, in celebration and in grief, the rhythm of Kerala is the rhythm of the dance.
This remarkable film captures the spirit of Shiva and the soul of his people. Heroic actors in spectacular masks and costumes bring laughter and faith to the poor but proud villagers - as they have done for hundreds of years.

from Bamsdale with Geoff Hamilton and Anne Mayo
Late January and already it time to sow a wide variety of vegetables in the heated greenhouse, propagator or even on the window sill. How do you buy your shrubs and trees, bare rooted or container grown? Robert Hillier looks at their respective merits. Also a first visit to the 'starting from scratch garden where GEOFF HAMILTON is busy removing builder's rubble and erecting fencing.
Production assistant JEAN LAUGHTON Executive producer JOHN KENYON Producer DENIS W GARTSIDE BBC Pebble Mill
(Repeated next Monday morning on BBL,

The Tooth Shall Set You Free
Hawkeye and B.J. are required to perform a delicate operation when a nasty case of racial prejudice appears at the 4077th. Charles meanwhile is suffering from toothache but prefers to bite the bullet rather than the dentist's drill!
Directed by CHARLES DUBIN

The last of a serial in three parts written by TED WALKER with A Fire Before Winter
A funeral in the Worcestershire village where the Robertson family originated. William and Bill face a long journey home ...
Music composed by DAVE GREENSLADE Designer STEPHEN BROWNSEY Photography jim SAUNDERS
Sound by ROGER LONG and DAVID OLD Film editor LIZ THOYTS
Produced and directed by COLIN ROSE BBC Bristol

The Benson and Hedges Masters from the Wembley Conference Centre
The Quarter-finals
STEVE DAVIS was nearly everybody's favourite-other than TONY MEO 's-to be contesting the last of the quarter finals. His opponent will be either KIRK STEVENS or DAVID TAYLOR.
DAVID ICKE introduces the best of the nine frames.

Mark Ellen and David Hepworth with rock news and reviews, the latest videos and a survey of the jazz-funk charts with Mark King of Level 42. Plus live music from Thomas Dolby and The Europeans Director TOM CORCORAN Producer TREVOR dann
Editor MICHAEL APPLETON

The Benson and Hedges Masters from the Wembley Conference Centre DAVID ICKE introduces coverage of the best of the frames and the result from this evening's quarter-final match from Wembley.
Commentators TED LOWE
JACK KARNEHM , CLIVE EVERTON Summariser REX WILLIAMS