ROY CASTLE talks to PROFESSOR PETER FENTEM about the benefits of regular exercise, and finds out from BRENDAN FOSTER why jogging is so popular in Gateshead. Other joggers include DAVID HAMILTON and the Carlton Jogging Club.

with Noel Edmonds
Get your Saturday morning swapping going with a letter, a drawing, a ' funny foto' or a call to Noel or his guests. The phone number is [number removed]and the address is: Multi-Coloured Swap Shop, BBCtv, London [Postcode removed].
What's New?: John Craven knows, and so do you. John will have news stories for you this morning. Ring or write with your stories for him - we all want to know what you know!
Cartoons!: it's Huck Hound for starters and round about mid-morning coffee time you can see Boss Cat as well.
Where's Cheggers?: Who knows? Keith is going to turn up somewhere, so switch on in good time to see if he's near you and you might be able to pop along and get him to arrange a swap for you.
A Double Helping of Chegwins!: Did you know Keith's twin brother Jeff Chegwin is a singer? Well, he is and you can Pop Swap with him this morning and you can Rock Along with the one and only Big Den Hegarty too, and hear his latest single.
Dig Around for any questions you may have for top gardener Geoffrey Smith because he'll be in today for a chat and a swap.
The new Dana with her new single.
What have Maggie Philbin , Huck Hound and Boss Cat got in common? They'll be on television this morning - that's what!
Producer CRISPIN EVANS Editor ROSEMARY GILL
The Multi-Coloured Swap Shop Book, fl. 25, from bookshops

Michael Fish

Introduced by Frank Bough
12.35*
Football Focus
BOB WILSON features the Sixth Round of the FA Cup.
1.20; 1.50; 2.20; 2.50*
Racing from Chepstow
1.30 The Ice House Hurdle Race (2m)
2.0 The John Player Steeplechase (Handicap) (3m)
2.30 The Panama Cigar Hurdle Final (2m)
3.0 The Caravan Novices' Steeplechase (Handicap) (21m)
Commentators PETER O'SULLEVAN
JULIAN WILSON and RICHARD PITMAN
1.40; 2.10*
International
Gymnastics from Belgrade
Top gymnasts from USSR, Romania, Hungary and Bulgaria perform at the ' Review of Stars' to celebrate the 30th anniversary of the Yugoslav Gymnastics Federation.
Commentator ALAN WEEKS
2.40*
Cheltenham Preview
Former National Hunt jockey RICHARD PITMAN visits the stables and watches the training of his leading selections for this year's Chasing Championship, worth a record f22,000 to the winner.
3.10*
Motor Racing from Riverside, California
International Race of Champions The Road Race Final
Twelve of the world's top drivers meet in the first of two finals to find an overall champion. The $75,000 first prize is being chased by drivers from three categories. Among them, Grand Prix aces MARIO ANDRETTI and EMERSON FITTI-PALDI, Indianapolis-type drivers A. J. FOYT , AL UNSER and GORDON JOHNCOCK and some of the best from NASCAR stock car racing. Commentators JIM MCKAY and JACKIE STEWART
3.50*
Rugby League
The State Express Challenge Cup - Third Round
The second half of today's most attractive fixture in Rugby League's prestigious knockout competition.
Commentator EDDIE WARING
4.40* Final Score
Today's timetable;
12.35 Football Focus; 1.5 Sports Round-up
1.20 Racing; 1.40 Gymnastics
1.50 Racing; 2.1* Gymnastics: 2.2* Racing
2.49 Cheltenham Preview; 2.50 Racing
3.10 Motor Racing; 3.5t Rugby League
4.40 Final Score.
* Timings subject to alteration TV presentation:
Football Focus MIKE murpht Racing FRED VINER
Motor Racing ABC TELEVISION Rugby League NICK HUNTER
Gymnastics YUGOSLAV TELEVISION SERVICE Producer Grandstand MARTIN HOPKINS editor Grandstand HAROLD ANDERSON

Kenneth Kendall; Weatherman

Based on books by FRANKLIN W DIXON and CAROLYN KEENE
This week: Pamela Sue Martin as Nancy Drew in The Mystery of the Diamond Triangle
Nancy Drew is up in her own glider with her girlfriend George when she sees, to her horror, a car being deliberately forced off the road far below into a deep ravine. She immediately alerts the local sheriff, but when he finds no sign of either the car or the driver, Nancy sets out to unravel the mystery herself.
Directed by NOEL BLACK

with Jimmy Savile, OBE
Have you got an unusual or special wish? Jimmy will try to make it come true.

starring Elvis Presley with Barbara Eden , Steve Forrest
Dolores Del Rio , John Mclntire
The Burton family, although of mixed blood, are more or less accepted by the local White community until the Kiowa Indians attack a neighbouring farm and kill all but one of the inhabitants. Elvis Presley , in his first strong, dramatic role, plays the half-breed Pacer who, when war comes, finds he belongs to neither the White nor the Indian community.
Screenplay by CLAIR HUFFAKER Produced by DAVID WEISBART
Directed by DON SEIGEL. Films: page 17

starring Dick Emery
with special guest Roy Kinnear
and featuring JOSEPHINE TEWSON , RICHARD DAVIES, ROBERT GILLESPIE, MICHAEL KNOWLES, LARRY MARTYN
With JOHN HOLLIS, LORRAINE PETERS, IVOR SALTER, JOHNNY WADE and Tommy Harper, Chua Kah Joo, Eija Kusuhara
Film sequence written by JOHN SINGER
Sketches by BARRY CRYER, TONY STEVENS, MICHAEL NORMAN and JIM TYSOE
Incidental music JACK POINT
Designer RAY LONDON
Producer HAROLD SNOAD

A new film series
The Duke cousins' main pleasure in life is beating the system and baiting the sheriff of Hazzard county where the good guys are outlaws and everybody's in-laws. starring in Daisy's Song
Music specially composed and sung by WAYLON JENNINGS

with Kenneth Kendall; Weather

Bob Langley and Tony Lewis introduce a cheerful, irreverent blend of music and conversation, live from the foyer of Pebble Mill. Guests this week: Larry Adler, Tom Conti, Nana Mouskouri
With Kenny Ball and his Jazzmen
Director ROY NORTON
Producer ROY RONNIE