6.20 Physics: Vibrations of Music
6.45 Rook Polymials
7.10 Who's Who in the Oceans
7.35 Handicapped in the Community
8.0 Enzymes in Industry

Mark Curry welcomes you to Picture Show for some of his favourite cartoons, serials and pop videos.
Maggie Philbin takes the mobile picture unit back to Blackpool and meets cyclist Nick Sanders at the start of his ride round Britain.
Star guest is Tom O'Connor
Plus Peter Powell 's video review, Zorro's Fighting Legion, Boss Cat, Bullwinkle J. Moose and guests.
Director JUDY MERRY. ProducerTONY HARRISON Executive producer DAVID BROWN BBC Manchester

Her Majesty The Queen takes the salute on Horse Guards Parade, London, to mark the occasion of her official birthday.
Her Majesty is accompanied by HRH The Duke of Edinburgh, Colonel, Grenadier Guards
HRH The Prince of Wales, Colonel, Welsh Guards and HRH The Duke of Kent, Colonel, Scots Guards
The parade is the tribute by the Household Division to their Sovereign and Colonel-in-Chief, and is the most complex and spectacular military event of the year.
The Queen's Colour of the 2nd Battalion, Grenadier Guards is being trooped. The parade, by tradition, is in five parts: The Inspection of the Line
The eight Guards and Sovereign's Escort of the Household Cavalry are inspected by the Queen
The Troop by the Massed Bands, Corps of Drums and Pipes and Drums of the Guards Division
Trooping the Colour through the ranks
The March Past by the Guards Division in slow and quick time
The Rank Past by the Household Cavalry, at the walk and at the trot. Music played by the MASSED MOUNTED BANDS OF THE HOUSEHOLD CAVALRY and the MASSED
BANDS OF THE GUARDS DIVISION
Commentator TOM FLEMING with former GARRISON SGT-MAJ
TOM TAYLOR
TV outside broadcast produced by IAN SMITH (Highlights on BBC2 at 6.40 pm)

See panel including at 1.0 News Summary

starring
Unreasonable
Facsimile Automan 's personality changes when his database becomes cluttered with soap-opera. A very cool hologram sets out to crack the case of a murdered businessman and a police helicopter that fell out of the sky.
Written by SAM EGAN
Directed by RICK KOLBE
Subtitles on Ceefax page 170

with Moira Stuart ; Weatherman

with Mike Read
Another chance to test your rock and pop knowledge with the guests:
Paul Young , whose first appearance on Pop Quiz was exactly a year ago, just before the release of 'Wherever I lay my hat'.
Toyah singer and actress, taking a break between films.
Drummie Zeb, drummer with Britain's leading reggae band ASWAD. v
Gary Glitter, back from a major tour of America to promote his new single 'Dance me up'.
Annabel Lamb , whose new single 'So lucky' has just been released.
Green of Scritti Politti , back in the charts with his follow-up to 'Wood beez absolute'. plus archive film clips and video including BOB MARLEY , ELTON JOHN and ELVIS COSTELLO
Director PHILIP CHILVERS Producer JILL SINCLAIR

The feature film starring
Robert Culp , Martin Milner Barbara Hershey
Richard Basehart , Carol Lynley
Roddy McDowall Brownsville is in danger. Located directly beneath Brownsville Lake Dam, the small town repeatedly ignores warnings that the dam is weakening until a torrent is unleashed and devastation is imminent.
High action and suspense dominate this drama in which two men fight desperately to save a small town from its own indifference.
Screenplay by DON INGLASS Produced by IRWIN ALLEN
Directed by EARL BELLAMY . Films: page 16

A series of programmes for all the family presenting international entertainers with their music and songs, both new and nostalgic, together with film of Val's recent visit to Australia. starring Val Doonican including among his special guests
Charlie Pride and Dana
Musical director RONNIE HAZLEHURST Musical associate ROGER RICHARDS Script CHRIS GREENWOOD and VAL doonican
Costume designer LYNDA woodpield Sound KEITH GUNN
Lighting KEN MACGREGOR Designer TONY BURROUGH
Production YVONNE LITTLEWOOD

with Moira Stuart ; Weatherman

from The National Exhibition Centre,
Birmingham, featuring The Radio Rentals Puissance
It's the night of the big red wall. As the height of the wall increases so the number of competitors decreases, hopefully leaving just one clear round at the end of the night. That was the case last year with Ireland's Eddie Macken the last to clear the bricks. Introduced by DAVID VINE Commentators
RAYMOND BROOKS-WARD
STEPHEN HADLEY
Producer Johnnie WATHERSTON

Starring James Coburn, Lois Nettleton, Slim Pickens

While travelling the rodeo circuit ageing rider Lew Lathrop arrives in his home town in New Mexico to find his long-deserted wife demanding a divorce and his teenage son disillusioned by his father's neglect.... James Coburn stars as the perennial drifter, Lew Lathrop, in this powerful drama set against the unique world of the American rodeo.
Films: page 16