6.45 Density and Viscosity
7.10 A Tropical Rain Forest
7.35 Physical Chemistry: How Do Molecules React?
8.00 The Moonies: Why Join? Why Stay?

Peter Simon introduces a bumper package of Saturday entertainment starting with Ovide
The Crimson Tide
Between the mad marshes and the Venetian Jetty, the Virgin Forest and the mysterious caverns, there's no shortage of adventures for Ovide the duckbilled platypus.
8.40am Roland's Rat Race starring Roland Rat Heat 3
The competition hots up this week as two more teams battle it out to clock up enough miles to race through to the final.
Meanwhile in the rodent whodunit Dial Rfor Rat,
Holmes and Watson are on the trail of the poisoned leeks! Today's teams:
Carmarthen and Frome
Written by DAVID CLARIDGE and DOMINIC MACDONALD Lighting [AN DEWAR
Designer ANDREW WILKINS Studio director JEM KIME Producer STEVE HAGGARD BBC North West
9.00am Going Live! with Sarah Greene and Phillip Schofield. Featuring Mr Bronson
(Michael Sheard ) Gonch
(John McMahon ) and Mandy (Melanie Hiscock ) from Grange Hill (you can call them on [number removed]), cartoon action with Visionaries and Muppet Babies, Andy Crane and his lookalikes, heat 5 of the Young Entertainer of the Year competition and Press Conference guest
Dr Alan Maryon Davis. Phillip finds out how they train pilots to fly jumbo jets and Richard Jackson looks at insect-eating plants! Join Phillip,
Sarah and Trevor and Simon for an action-packed show. Editor CHRIS BELLINGER

BILL GILES

See panel including at
1.10pm News Summary

with Moira Stuart Weather

starring
Bachelors and Spinsters
As DJ makes preparations for the Bachelors' and Spinsters' Ball, George makes preparations to have him replaced and Chris has to deal with a juvenile crush.
Written by JOHN ALSOP Directed by IAN BARRY
0 CEEFAX SUBTITLES

Jimmy Savile back with some more Fix-Its. Lighting BRENDAN CARR Sound MARTIN DEANE
Designer LOUISE JACKSON
Series producer ROGER ORDISH Produced and directed by STANLEY APPEL
0 WRITE TO: Jimmy Savile , BBCtv, London W128QT
* CEEFAX SUBTITLES

starring Syd Little and Eddie Large
'The Proclaimers' in the guise of Eddie open the show. Syd's musical guests are
Nuts and Bolts with an extra Nut and Ali Bongo has a few tricks up his sleeve when he closes the show with Syd and Eddie.
Special guests Ali Bongo Nuts and Bolts June
Ellis Andrew Livingston with Pippa Vickers Julie Ann White
Written by RUSSEL LANE BRAD ASHTON
Script associate RUSSEL LANE Music by RONNIE HAZELHURST AND HIS ORCHESTRA
Choreographer JEFF THACKER Sound BOB FOLEY
Lighting GRAHAM RIMMINGTON Design BOB COVE
Director MARTIN SHARDLOW Producer BILL WILSON
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Starring Bob Monkhouse.

Who won last week's show? Will you agree with this week's audience decision?
Tonight it's your opportunity to be a star-maker by casting your all-important telephone vote for the act which impresses you most.
The numbers to call are listed below - vote for the stars of tomorrow ... tonight!

An eight-part series starring
7: Old Acquaintanceby ROD BEACHAM with Terence Alexander
Sean Arnold
Louise Jameson and Liza Goddard
The simultaneous arrivals on Jersey of black athlete Peter Jason and Philippa Vale have Jim, Charlie and a rather inept hit man running round in circles before the mystery of Valley Farm is solved.
Series created by ROBERT BANKS STEWART
Make-up designer VIVIEN RILEY Designer GARY PRITCHARD Film editor LES FILBY
Photography ALEC CURTIS
Produced by GEORGE GALLACCIO Directed by RICHARD STANDEVEN
0 BOOK: John Nettles takes a look at life in the Channel Islands in 'Bergerac's Jersey: £12.95, from booksellers
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with Martyn Lewis Weather

starring
After It Happened
The subject of AIDS becomes a personal matter for
Jack Killian when an ex-girlfriend tells him that she is pregnant - and has tested HIV positive. The man responsible, Mike Barnes , is knowingly infecting others and Killian's instinctive anger compels him to track Barnes down and to stop him. But how appropriate is anger when the need is for tolerance and responsibility from all sides?
Written by STEPHEN ZITO Directed by MIMI LEDER
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After every meal or drink acids attack your teeth for up to 35 minutes.
Jasper Carrott , along with Steve Punt , Hugh Dennis and Vicky Ogden , knows this, but all of them are still prepared to spend the next 35 minutes letting you watch their teeth rot live, on air, just so you can have a good laugh. Written by JASPER CARROTT PAUL ALEXANDER , DICK HILLS
CHRISTIAN HOWGILL, STEVE PUNT
NEIL SHAND. PETE SINCLAIR , NICK YAPP Designer JOHN STOUT
Sound supervisor KEITH MAYES Lighting director ERIC WALLIS Director GEOFF MILES Producer BILL WILSON

Jasper Carrott fronts the comedy series, aided and abetted by Steve Punt, Hugh Dennis and Vicky Ogden. Show more

A dramatic change of pace for the Hollywood singing star in this tense psychological thriller starring Rex Harrison
- John Gavin.
A mysterious voice in the London fog, frightening phone calls, a near-fatal accident - Kit Preston , the American wife of a wealthy financier, claims her life is threatened. Unfortunately her family and the police doubt her word - and her sanity.
Screenplay by IVAN GOFF and BEN ROBERTS
Based on the play Matilda Shouted Fire by JANET GREEN Produced by ROSS HUNTER and MARTIN MELCHER Directed by DAVID MILLER
(Doris Day stars in 'Pillow Talk', tomorrow at 3. 00pm)
0 FILMS: page 21

starring James Garner in With the French Heel Back, Can the Nehru Jacket
Be Far Behind
Jim receives a hysterical phone call from a friend whose body is subsequently found at the foot of her apartment building. The police write off her death as a suicide but Jim investigates and is taken into the bizarre and hostile world of high fashion.
Written by RUDOLF BORCHERT Directed by IVAN DIXON (R)