With Michael Peschardt and Jules Botfield , and from 9.00
Louise Minchin. (S) (W)

Home and Away actresses Rebecca Cartwright and Tammin Surso, aka Hayley and Dani, guest. Plus music from Rachel Stevens, Good Charlotte, Big Brovaz, Jamelia, Speedway and Clea.
There's also the chance to win prizes in The Scooby Zone, and fun with The New Scooby and Scrappy Show, Kerching! and The Woody Woodpecker Show.
(S) (W)
WRITE TO: The Saturday Show, [address removed]
The Saturday Show Extra follows at 12 noon on CBBC channel

Lifting the lid on professional chefs' practices. (R) (S)

Ross Burden and James Martin rustle up tempting dishes for two viewers. (R) (S)

Ainsley Harriot visits Brazil. With Silvano Franco and Angela Boggiano. (R) (S) (W) Great kitchen offers: page 32

Charting the life of Marlene Dietrich , from her birth in Berlin to celluloid immortality as a Hollywood screen goddess.
Director Rupert Miles : Series producer Tom Ware (R) (S) (W)

Holly Hunter talks about her career and recent roles in Levity and Thirteen. (S)

Ben Fogle visits a barn in Lancashire, key location in Bryan Forbes 's 1961 drama Whistle down the Wind, a screening of which follows. (R) (S) (W)

**** A series of Attenborough at 80 films, celebrating Richard Attenborough 's 80th birthday, begins with a classic drama he produced in 1961. Three youngsters on a Lancashire farm discover a man hiding in their barn and are convinced that he is Jesus Christ. Review page 41.
Director Bryan Forbes (1961, PG)
(BW)(S) The Richard Attenborough-directed Gandhi is tomorrow at 5pm Barry Norman on Richard Attenborough : page 41

Day one ends in climactic fashion with the final of the men's shot put. Sue Barker introduces the action.
4.40 Women's high jump qualifying
5.00 Men's 1500m round one
5.30 Heptathlon 200m
6.00 Men's 3000m steeplechase round one
6.25 Men's shot put final
6.40 Women's 100m round two (S) (W) BBCi: interactive features are available to digital viewers via the handset

The Canine Conspiracy. A review of new evidence suggesting that, rather than being "man's best friend", dogs are the planet's most successful social parasites, able to manipulate domestic situations to meet their own needs. Have they really exploited humans for thousands of years and, if so, how could this have happened and why is such an invasion tolerated? Narrated by Richard Briers. Producer Mark Flowers ; Series editor Michael Gunton (R) (S) (W)

The BBC Symphony Orchestra's chief conductor, Leonard Slatkin , lifts his baton in London's Royal Albert Hall to conduct a programme selected entirely from the rich repertoire of Russian orchestral music. Highlights include Sergei Prokofiev 's score for the ballet Romeo and Juliet, the dawn prelude to Musorgsky's epic opera Khovanshchina, and Shostakovich's Violin Concerto No 1, with exciting young German soloist Christian Tetzlaff.
Introduced by Charles Hazlewood who, in the interval, is joined by special guests, including tonight's soloist Christian Tetzlaff and Shostakovich expert Elizabeth Wilson. The concert is also broadcast on Radio 3.
Director David Stevens : Series editor Oliver Macfarlane (S) (W) BBCi; interactive features available to digital viewers via the handset

Liberal Democrat leader Charles Kennedy hosts the satirical quiz, with captains Ian Hislop and Paul Merton joined by writer Will Self and Professor Robert Winston.
Director Paul Wheeler ; Series producer Nick Martin (R) (S) (W) BBC PRODUCTS: The Very Best of Have I Got News for You, highlights from 1990 to 2002 - DVD £19.99, video £15.99 from www.bbcshop.com

Highlights from Cardiff of today's Wales v England World Cup warm-up. Wales coach Steve Hansen has been experimenting with his team after heavy defeats earlier this year, while England coach Clive Woodward is working with a large squad in preparation for the sport's October showpiece in Australia. Introduced by Jill Douglas , with match commentary from Eddie Butler and Brian Moore.
Producer Ken Burton

In the week that Mars orbits closer to Earth than at any time in the last 60,000 years, eyes turn towards the heavens for a close-up view of the Red Planet and beyond.
In a live Open University special, shown to coincide with National Astronomy week, Sophie Raworth and Rajesh Mirchandani are at the Lovell radio telescope in Cheshire, while Chris Riley perches on the edge of a volcanic mountain in the Canary Islands with the giant Isaac Newton telescope. Joining them are celebrities, stargazers and amateur and professional astronomers - all hoping to catch a glimpse of exploding stars, galaxies, the moons of Uranus and perhaps even signs of extraterrestrial life.
Producer Peter Brown ; Executive producer Jack Weber (S) (W) www.open2.net Red Planet is on Wednesday at 9pm on Radio A Mars a day: page 31

Drama. Chicago: a heroin addict is just out of jail and determined to kick his habit. But the pressures of dealing with a wheelchair-bound wife, a pusher and the woman he really loves make things tough. Review page 42. Director Otto Preminger (1955, 15) (BW) (S)
Otto Preminger 's Angel Face is showing on Tuesday at 11am

Repeats are not indicated, www.bbc.co.uk/learningzone
Home Learning Cats' Eyes: Forces and the Earth and Beyond (S)