6.5 Maths Modelling: Knots. 6.30 Tectonics and the Red Sea. 6.55 Velocity Diagrams. 7.20 Statistics: Sampling.
7.45 Evolution: Conquest of the Air.

Story: Sad Happy Alice bySUE O'BRIAN Presenters
Floella Benjamin Fred Harris
Pianist PETER PONTZEN
Film editor DENISE PERRIN Designer CAROL RICHMOND
Directed by MARTIN FISHER Producer ANNE GOBEY
Executive producer CYNTHIA FELGATE
Book, Play School Stories, 95p from booksellers; Play School, Hello (record REC 425. cassette ZCM 425) from retailers or Teledata (phone [number removed])

2.30 The Golden Eagle Stakes (Handicap. 1m)
3.0 The Sir Charles Clore Memorial Stakes dim). An important and significant trial for The Oaks
3.30 The Ultramar Stakes (Handicap. 7f 60yds)
4.0 The Pembroke Pools (3 Year Old) Stakes (6f)
Introduced by JULIAN WILSON
Commentator PETER O'SULLEVAN JIMMY LINDLEY , JOHN HANMER
Television presentation BILL TAYLOR Racing results on Ceefax

This programme examines the way in which decisions were taken for news coverage during the Labour and Conservative Party Conferences in 1976. Producer JOHN MILLER
A BBC/Open University production

helps you plan your weekend by previewing daytime programmes of special interest from the Open University.
This week's selection includes Sikhs in Britain and Sun, Cities and Smog.
Producer JOHN JAWORSKI
A BBC/Open'University production

starring Tom Conway Jean Brooks
When a plane crash-lands without its pilot and passengers, the Falcon is called in to investigate. He finds that three men have disappeared-plus 100,000 dollars in securities ...
Screenplay by FRED NIBLO JR, CRAIG RICE Producer MAURICE GERAGHTY
Directed by WILLIAM CLEMENS
. Films: page 16

A series of eight programmes 6: Tandoori Prawns
Indian snacks are some of the most delicious in the world.MADHUR JAFFREY shows you how to make samosas-thosedeliciouslittle stuffed savoury patties, as well as tandoori prawns and poppadams.
Assistant producer JENNY STEVENS Producer JENNY ROGERS

with subtitles, followed by Weather

A series of three films 2: Roy Hudd's Croydon
' People always seem to think of me and music-hall, but I didn't start in music-hall. I'm not old enough -I know I look it, but I worry a lot! ' In tonight's film Roy goes back to his native Croydon and stages an improbable 'old boys' reunion' with some of the lads who were with him in a Boys' Club concert party almost 30 years ago. The story continues via the Striptease Vin-Rouge and Butlins to his meeting with Dickie Pounds , who gave him his first professional break in her summer shows, Out of the Blue.
Photography DAVID SWAN Film editor TERRY GABELL Producer JANE OLIVER

Presented by Ludovic Kennedy , who discusses Channel Four News, and their alternative arts magazine Alter Image; It's All True, the Arena special on video (BBC2), and the new series of Fame (BBC1), with rock star Toyah, London Bureau Chief of Time magazine, Bonnie Angelo and Sandy Nairne , Exhibition Director of the ICA.
Director STEPHEN GARRETT Producer CHRIS MOHR

from Handsworth, West Midlands
One-and-a-half miles from Spaghetti Junction is an unlikely place for a beautiful garden and a rare collection of plants. Roy Elliott a prominent member of the RHS, shares his haven with Geoff Hamil ton and Clay Jones.
Executive producer JOHN KENYON
Production assistant JEAN LAUGHTON Producer DENIS W. GARTSIDE BBC Pebble Mill

Jonathan King visits Florida and Disney World with a look at Americans on holiday, together with the latest films and videos from the new American charts.
Producer GORDON ELSBURY
Executive producer MICHAEL HURLL

by ALUN OWEN
Ian Richardson as David and Anthony Bate as John David and John are brothers. David was married to Sarah. Sarah is dead, but who was Kisch Kisch?
MUSiC by JAMES HARPHAM
Designer PAULINE HARRISON Lighting TONY ESCOT
Producer KEITH Williams Director JOHN HEFIN

' I go on Lions' tours and when I come back home I can wipe all the pressure and euphoria out of my mind and get back to the simple things in life. That's an important quality to have and I'm lucky to have it.'
Willie John McBrlde has been on five Lions' rugby tours as a player. Tomorrow in New Zealand he begins a sixth, though this time as the manager in charge of the party of English, Irish, Scots and Welsh players. A look at the life of the farmer's son from Northern Ireland, now one of the most respected people in rugby. Narrator DENYS HAWTHORNE
Film camera PHILIP DAWSON
Film sound PETER LINDSAY , NIGEL REES Film editor john CALLISTER
Dubbing mixer DESMOND JOHNSTON Producer RUPERT MILLAR BBC Northern Ireland

JOHN TUSA , PETER SNOW and DONALD MACCORMICK , with JOAN BAKEWELL and LINDA ALEXANDER

in the company of David Hepworth and Mark Ellen , takes its own look at the rock scene with studio guests: Annabel Lamb Little Steven and the Disciples of Soul
Director TOM CORCORAN
Producer MICHAEL APPLETON