Ends 12.10pm. Interplanetary adventure with the inquisitive alien. (R)

Animated fun and games with the tiny creatures of lore. (R)(S)

The superturtles take on another mission. (R)

More adventures with the cuddly sasquaatch Harry. (R) (S)

Djin discovers a wrecked boat containing a rare metal. (R) (S)

Nautical adventures with the spinach-loving sailor. (R)

Double bill of fun with the loveable youngsters. (R) (S)

Keith Duffy, Kate Heavenor and Vernon Kay present the interactive show, with a line-up of top acts, including boy band A1 and some of the cast from EastEnders. Posh Spice Victoria Beckham will be sharing the latest gossip from the back of her limousine. Plus comedy with Kenan and Kel and the Rugrats and action with the viewers' choice of the X Men or The Mask.
(W)

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Introduced by Sue Barker.
12.20 Athletics Focus Live action from Crystal Palace with the British Grand Prix. The women's 400 metres promises to be a highlight of the meeting with fierce competition between favourites double world champion Cathy Freeman , double Olympic champion Marie Jose Perec and Britain's fast-emerging
Katherine Merry who is tipped to be a medallist in Sydney.
Both Maurice Greene and Marion Jones will be racing over 100 metres while Britain's Paula Radcliffe will be against
Ireland's Sonia O'Sullivan in the 5,000 metres and in the field events, Jonathan Edwards and Steve Backley will lead the British challenge. Commentary from David Coleman , Stuart Storey , Brendan Foster , Paul Dickenson and Steve Cram.
1.00 World Superbikes Suzi Perry looks back on the season so far in the run-up to tomorrow's
World Superbike championship. Live coverage is in Sunday
Grandstand at 11.45am on BBC2.
1.30 Olympic News The latest news from track and field as the build-up to Sydney gains pace.
1.45 Racing and Athletics Clare Balding introduces a four-card race from Goodwood on the final day of the Festival Race week, including the Nassau Stakes at
3.20 plus starts at 2.15,2.45 and 3.50. Commentary by Jim McGrath , Willie Carson and Angus Loughran.
TV presentation (athletics)
Martin Webster , Helen Kuttner and Micky Payne Editor Peter Allden (W)

Anthea Turner and Wendy Turner-Webster host another edition of the game show in which families compete to win a trip to a top theme park. This week the Greenwoods take on the Rendles at darts, guess who, listing popular holiday destinations, coin bouncing and inflating a swimming cap. Producer Chris Jones ; Series producer Marion Farrelly (S) (W)

Dale Winton introduces more mystery couples to contestants who have to guess who is romantically involved with whom. The teams are guided around the couples' homes and given a chance to judge body language with an on-screen kissing test. (S) (W)

Des O'Connor and Suzi Perry take to the streets of Glasgow in the series that travels the country offering ordinary people the chance to compete for cash prizes. Plus the winning numbers in the National Lottery and Thunderball Draws.
Director Brian Kellett ; Producer David Tayior (S) (W)

Another chance to see the first two episodes of the Bafta award-winning series, narrated by Kenneth Branagh , which brings the dinosaur age to life through cuttingedge technology. New Blood takes viewers back 220 million years to a land dominated by deserts, where the first dinosaurs have evolved. In Time of the Titans, which updates the story to the late Jurassic era, there's a look at the early life of a female diplodocus. David Attenborough presents Living with Dinosaurs on Wednesday at 8.00pm. See Choice.
Series producer Tim Haines ; Executive producer John Lynch (R) (S) (W) Walking all over the world: page 18

Courtroom thriller starring Richard Gere and featuring
Edward Norton. Arrogant defence lawyer Martin Vail has a reputation for being as concerned with gaining media attention as he is with getting his high-profile clients off the hook. But it looks like Vail's record of success is about to be compromised when he takes on the seemingly unwinnable case of Aaron Stampler , a young altar boy accused of murdering an archbishop. Primal Fear continues after the News and Sport at 10.30pm.
Director Gregory Hoblit (1996.18)
9.05-11.20pm(nonPDC) Films: pp 58-63 ****

With Nicholas Witchell.
Weather with Sarah Wilmshurst. (S)

Concluding the courtroom thriller starring Richard Gere and featuring Edward Norton.

Double bill of the American sci-fi investigation series.
The Unnatural. In an episode written and directed by David Duchovny , Mulder investigates a 50-year-old mystery involving an ex-policeman, a shape-shifting alien bounty hunter and a brilliant baseball player with a hidden secret. (S) (W)
12.05 Three of a Kind. The Lone Gunmen find themselves in the midst of a potentially deadly conspiracy as lovelorn Byers meets up again with the object of his affection, scientist Suzanne Modesky. is) (W)
Followed by Weatherview

Nick Hancock quizzes celebrities about their lives and careers. Tonight's guest is flamboyant rocker Ozzy Osboume. Shown last Monday Series continues on Monday (S) (W)

Chart hits. Shown yesterday (S)

BBC1 transmitters will be shut down for test purposes.

Ends 6.20am.