6.50 1 7th-Century Navigation
7.40 Health Visiting and the Family
8.05 The Oldham Experience
8.30 Luminance and Spectroscopy
8.55 Maths: Copingwith Irrationality
9.20 Nuclear Weapons Systems
9.45 The Romantic Poets in the Alps
10.10 Calculus: Iteration and Convergence
10.35 Music: Harmony
11.00 Michelangelo: the Last Judgement
11.25 Geology: Ore Genesis
11.50 Knowledge-Based Systems
12.15 Statistics: Lines. Before and After
12.40 Changing Countryside: the Coast
1.05 Education: Face to Face
1.30 Modern Art: Kirchner
1-55 Technology: More Than Meets the Eye
2.20 Living Choices: New Dimensions

In Concert special with Gurdas Maan , acknowledged as one of the finest folk singers of the Punjab.
A Masters graduate in physical education and a black belt in judo, he's had no formal training in music. Now in his 30s, he exudes the vigour of an athlete on stage and is a charismatic performer. He is also an actor and play-back singer in Punjabi films, and the winner of numerous awards. In this special programme he performs a selection of some of his best-loved songs as well as traditional Punjabi pieces. Producer BISH MEHAY
Director PAUL FREEMAN
Series producer NARENDHRA MORAR BBC Pebble Mill

starring
Randolph Scott
Angela Lansbury.
Although Calem Ware would like to retire as Marshal of Medicine
Bend he knows he will never be at peace until all of the town's lawless elements are dealt with. The return of his estranged wife Tally strengthens his determination to clean up Medicine Bend once and for all.
Screenplay by KENNETH GAMET Produced by HARRY JOE BROWN Directed by JOSEPH H. LEWIS
0 FILMS: page 21

World Professional
Snooker Championship Semi-finals
Summarisers JOHN SPENCER
JOHN VIRGO , EDDIE CHARLTON Producers KEITH PHILLIPS
MIKE ADLEY , PETER HAYWARD Executive producer KEITH MACKENZIE

with Christopher Jones. Editor SHEILA COOK

with Moira Stuart and Lisa Davidson.
Followed by Weatherview

Nearly 20 years separate this BBC2 comedy, which launched the channel in 1964, and its 1980s successor The Young Ones.
A classic episode with James Bolam as Terry and Rodney Bewes as Bob
Written by Dick Clement and Ian La Frenais
with Bartlett Mullins, Donald McKillop, Patricia Shakesby, Sandra Payne and featuring Yvette Rees as Mrs Winsor
(R)

Terry gets a date with the mature but glamorous new canteen manager, while Bob plans a night out with a girl closer to his own age. Show more

Embassy World Professional Snooker Championship Semi-finals
By the end of the day the names of the two men to contest the 1989 title and the top prize of E105,000 will be known. Facing them are two days of play, and 35 frames of snooker spread over four sessions, afternoon and evening.
David Vine reports.