6.45 Maths: Looking at Equations
7.10 Ecology: Decomposition
7.35 Physical Chemistry: Reaction Mechanisms 1
8.00 Technology: New Bearings for Old

Peter Simon, Trevor Neal and Simon Hickson introduce your Saturday morning entertainment. Starting with:

Corners
Presented by Simon Davies and Sophie Aldred with Jo Korna
Where do ladybirds go in the winter? How do volcanoes erupt? And when did the first clowns appear?
Questions to: Comers [address removed]

8.40
Roland's Rat Race
starring Roland Rat as the circuit race marshal.
Two teams battle it out to see who can clock up the greatest distance on their milometers.
BBC North West

9.00 Kissyfur
Bear-ly a Bodyguard
Lenny gets a taste of his own medicine when he starts bullying the swamp children. The Duck Who Came to Dinner A wounded duck overstays his welcome.

9.30 Going Live!
Sarah Greene, Phillip Schofield and the Going Live! gang open the doors of Studio 7 to bring you another action-packed Saturday morning.
Mark Chase visits a sled-dog course outside Wolverhampton to meet the Siberian Husky Club of Great Britain. Going Live's vet Nigel Taylor answers your questions on hamsters and gerbils. Call him on [number removed]. Join 7-year-old Emily and her 'unusual family' - 40 boys from Wells Cathedral School. There's a special Newsround Newshound report on London's stock exchange, a chance to talk to this week's special Press Conference guest, England cricket captain Mike Gatting plus the very latest pop videos, Thunderbirds 2086 and more interruptions from Trev and Simon.

Back pages: 102

See panel including at
1.05 News Summary

with Moira Stuart Weather

Teams from schools from all round Britain are competing to see who will become the First Class of 1988. Debbie Greenwood asks the questions and Eugene keeps the scores in this knockout game which tests the teams' knowledge of pop, films and sport. Tonight ARMTHORPE from South Yorkshire play MONTAGU from Kettering. Designer DUGALD FINDLAY Director JUSTIN C. ADAMS
Series producer CHARLES NAIRN Producer ANNE SOMERS

Last in the current series with Jimmy Savile
In the 14th year of this hardy perennial, viewers are still coming up with new ideas. If you have a special dream or you would like a happy surprise for a friend, write to: Jim'll Fix It, BBCtv Centre,
Wood Lane , London W12 8QT. Designer JOHN BRISTOW Director TONY NEWMAN Producer ROGER ORDISH
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starring and the voice of Orson Welles Eight strangers are invited to the luxurious desert home of the rich Mr Owen - who is absent when they arrive. At dinner, they discover that none of them has ever met their host. The evening is interrupted by a mysterious voice announcing that each of them, and the two servants, is an unpunished murderer, but now retribution is at hand ... Screenplay by PETER WELBECK Based on the novel Ten Little Indians by AGATHA CHRISTIE
Produced by HARRY ALAN TOWERS Directed by PETER COLLINSON
0 FILMS: page 26
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Starring Bob Monkhouse
Bob presents another showcase of six talented acts, all new to network television, plus the winner from last week's show, chosen from your all-important telephone votes. Spot the stars of tomorrow, tonight. Your Opportunity Knocks once more.

Moira Stuart presents the latest stories from Britain and around the world. Weather

The two first ladies of the New York Police Department starring Sharon Gless as Chris Cagney and Tyne Daly as Mary Beth Lacey
The smell of the chalk dust, the roar of the instructor: the ever-changing demands of police interrogation find Cagney and Lacey back at the police academy for a refresher course. Christine proves to be a problem student, but Mary Beth has her own problems with an old adversary who wants to make peace - SWALK.
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featuring the WBA Flyweight
Championship of the World Fidel Bassa (champion) v
Dave McAuley (challenger) and Ladies' World Figure Skating Championship Katarina Witt v
Rest of the World
Desmond Lynam hosts an evening of diversity. To begin, the frenzied heat of the King's Hall, Belfast, where Dave McAuley aims to alter the punchline on his previous, extraordinary up-and-down duet in Ireland. To follow, the frozen frenzy of the Sports Hall, Budapest, where Miss Witt hopes to repeat her success in Calgary. Commentators
HARRY CARPENTER (boxing) and ALAN WEEKS (skating) Television presentation: Boxing RUPERT MILLAR Skating MTV, Hungary
Producer CAMPBELL FERGUSON Editor JOHN PHILIPS