Hosted by Michael Buerk and Sian Williams.
Timetable on Tuesday (S) (W)

Roger Black introduces today's live coverage, starting with the men's 50km walk, as Poland's Robert Korzeniowski attempts a third world gold. The decathlon contenders begin day two of the competition with the 110m hurdles at 9.00 and at 9.55 the discus. The qualifying rounds for the women's shot put are at
9.30, followed by the first round of the men's 100m hurdles at
9.40, where Allen Johnson of the USA will begin the defence of his title. British hopes rest with Darren Campbell , Christian Malcolm and Julian Golding in the first round of the men's
200m at 11.20. (S) (W) BBCi: extra coverage of the decathlon available to digital viewers via their handset

Paul Ross tries to outwit 12 more contestants. (S) (W)

Weather (S) (W)

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Summer gives in to temptation. Lyn realises she needs Susan. Repeated at 5.35pm (S) (W)

A couple from Cambridgeshire plan to raise enough money at auction to renovate the exterior of their house.
(R) (S) (W)

How to Murder Your Lawyer Why is someone menacing a tax attorney? (R) (S) 70849H

Regional News (S) (W)

Ends 3.45.

Fimbles
Florrie finds a tambourine, which makes a perfect crown.
(R) (S) (W)
BBC Fimbles magazine: £1.45

Ends 5.35.

The Woody Woodpecker Show
Woody and Wally try synchronised swimming, Chilly tries to take the easy way out and Woody plans to get a free pizza.
(R) (S)

4.05 Watch My Chops
Bernie wants to try out a new rollercoaster, but Corneil isn't keen.
(R) (S) (W)

4.20 Animal Arc
A Shetland pony needs a pedicure, an update on the owl with the broken wing, and Chris Young and Eils Hewitt collect shells to save seabirds.
(S) (W)

4.35 Yo! Diary
Clare pickets a supermarket and Seb attempts to take more than ten items through the express checkout in the second of a new 12-part comedy series.
(First shown on CBBC Channel) (S) (W)

4.55 Blue Peter
Matt Baker takes an unusual ride with soldiers of the Household Cavalry - in the sea.
(Repeated with sign language tomorrow at 7.40am on BBC2) (S) (W)

5.20 Newsround
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5.30 CBBC at the Fame Academy
A live update.
(S) (W)

Shown at 1.40pm (S) (W)

With George Alagiah and Sophie Raworth. Including a weather summary. (S) (W)

Details Tuesday (Sim
Followed by Weather with Darren Bett. (S) (W)

Three more champions will be crowned tonight in Paris's Stade de France. Introduced by Sue Barker , with Jonathan Edwards , Colin Jackson and Michael Johnson.
7.00 Men's 200m round two
7.30 Men's 400m hurdles semi-finals
8.00 Men's 1500m final. This race promises to be one of the evening's highlights, with Hicham El Guerrouj 's bid for a fourth successive world title under serious threat from
European champion and local hero Mehdi Baala.
8.15 Women's 1500m round one. Kelly Holmes and Hayley Tullett take their first steps towards a place in the final.
9.00 Women's 400m final. Mexican Ana Guevera 's chance to win a global title after two year's unbeaten on the Grand Prix circuit. Lee McConnell will hope to impress for Britain.
9.15 Decathlon 1500m. The final discipline in the event which has seen Czech Tomas Dvorak dominate recently, though he can expect to be pushed to the limit tonight.
Steve Cram , Stuart Storey , Paul Dickenson ,
Brendan Foster , Sally Gunnell and Phil Jones commentate. www.bbc.co.uk/athletics (S) (W) BBCi: digital viewers can watch extra coverage of the decathlon and other field events by pressing the red button on their TV handset
Including at 8.10 Midweek Lottery Numbers

A group of police cadets are introduced to a corpse and it's supervisor Paul Coombe 'sjob to see them through their first post mortem in the series following environmental health officers in north London. Meanwhile, it falls to
George Whordley and Millie Johnston to clear up after a man dies alone in a council flat. Narrated by John Peel.
Director Livia Russell (R) (S) (W)

With Fiona Bruce. 10.25 Regional News
Followed by Weather with Darren Bett. (S) (W)
Then National Lottery Update

Intercept. A young student dies after being punched while on his way home in the early hours of the morning. His killer claims he hit him only once. Was it a case of murder or misfortune? In the final part of the series the victim's family explain why they believe they have been let down by the criminal justice system. Narrated by Martin Shaw.
Series producer Lynn Barlow ; Executive producer Julian Mercer (S) (W) 44602 7

Detective thriller. When a retired Scotland Yard detective visits his estranged daughter in New York, he finds himself helping out her cop boyfriend as he goes on the trail of a serial killer. Review page 45. Director James Frawley (1995) (S)
Followed by Weathervlew (W)

Programmes with sign language. Ends 4.10.
DIY SOS A selection of unfinished home-improvement projects get some attention. Shown last Thursday (S) (W)
1.40 Bargain Hunt Two teams from the Plymouth University Ladies'
Rugby Club search for antique deals. (R) (S) (W)
2.10 Elephants: Spy In the Herd An intimate insight into the workings of elephant society in Kenya. (R) (S) (W)
3.10 Intensive Scares The stories of four babies born too early.
Shown last Thursday (S) (W)