Ends 9.15.

Playdays
The playbus pulls over at the tent stop. (R)

7.20 Pocket Dragon Adventures
Another chance to see the animated series starring pocket-sized cookie-loving lizards. (R) (S)

7.35 Snorks
Animated antics with the aquatic music-makers. (R) (S)

8.00 Short Change
A look at the cost of keeping a rabbit.
Shown yesterday at 5pm on BBC1 (S)(W)

8.25 Oscar's Orchestra
The musical force continues its struggle against the evil Thadius Vent. (R) (S)

8.50 Yoho Ahoy!
Booty needs help with a harpsichord key, and Poop falls asleep on the job. (S)

9.00 Postman Pat
More adventures from Greendale. (R) (S)

Man with Nine Lives. A stranger claims to be Starbuck's long-lost father. (R) (S)

Ends 11.00.

Teletubbies
Bluebells bloom in Teletubbyland. (R) (S)

10.30 Tweenies
When Fizz hears a squeaking noise she is convinced a mouse is near. (R) (S) (W)

10.50 Microscopic Milton
Pre-school animation. Milton's cousin arrives for a Visit. (S)

Sixties musical comedy featuring Freddie and the Dreamers. A group of people working in a holiday camp decide to seek fame and fortune by entering a talent contest.
Widescreen. Reviews pp 66-71. Director James Hill (1964, U) (S) (W)

Consumer news, with Adrian Chiles and Adam Shaw.

An afternoon of live sport begins with coverage of the Davis Cup from the National Indoor Arena in Birmingham, as Britain take on Portugal in the Euro-African zone group one tie. Hazel Irvine presents the action as Tim Henman and Greg Rusedski spearhead the British assault in their respective singles matches. Commentary is by John Barrett , David Mercer , Peter Fleming and John Lloyd. Coverage continues at 2.05 on BBC1, with highlights tonight at 12.40am on BBC2.
Interspersed with the action from Birmingham is coverage from day two of the Aintree Grand National meeting. The featured race is the 3.10 Melling Chase with other starts at 2.35, 3.45 and 4.20. Presented by Clare Balding, with commentary by Jim McGrath, Tony O'Hehir, John Hanmer, Richard Pitman, Peter Scudamore,
Jonathan Powell and Angus Loughran. A preview of tomorrow's Grand
National can be seen at 7.30pm. (W)
Racing may be affected by foot-and-mouth restrictions.
Including at
3.20 News; Regional News
(Digital: UK Today); Weather (S) (W)

The week's final edition of the ruthless quiz. The evening editions continue tonight at 8.50pm on BBC1.
(S) (W)

The Secret War of Lisa Simpson. Lisa enrols at an all-male military academy. (S)
6.20 Some Enchanted Evening. Marge feels unloved and craves some pampering. (R) (S)

The pilot episode of a new comedy series from the USA about a middle-class family of four squabbling brothers and their long-suffering parents. When Malcolm, an ordinary boy with typical tastes, suddenly discovers he has the IQ of a genius, his world is turned upside down.

For Sale by Owner. A lucrative offer tempts some members of the Banks family. (R) (S)

Aintree has witnessed some of the 20th century's greatest sporting moments - notably Red Rum's three victories in the seventies. Clare Balding, Jim McGrath and Angus Loughran look ahead to tomorrow's big occasion, the 3.45pm start of the Grand National, which will be covered on BBC1.
Editor Carl Hicks (S) (W)

Beginning a new six-part series, Aubrey Manning , retired Professor of Natural History at Edinburgh University, embarks on ajourney across Britain to demonstrate how the landscape, moulded by millennia of human activity, reveals a detailed insight into the country's history.
Tonight, Manning investigates why so much woodland has survived in the Weald of Kent and Sussex. See Choice.
Director John Triffitt ; Executive producer Richard Reisz (S) (W) Country life websites - Webwatch: page 47

In anticipation of summer Alan Titchmarsh , Rachel de Thame and Chris Beardshaw prepare their summer beds and make plans for growing annuals. Joe Swift saturates his senses in the bloom-filled garden of Sarah Raven , and Gay Search discovers inner peace in the creation of a healing garden. Series producer Colette Foster (S) (W) WEBSITE: www.bbc.co.uk/gardening
BBC BOOK: Gardeners' World Complete Book of Gardening, price 112.99 Alan Titchmarsh on indoor plants: page 44 .

Steve Rider introduces live coverage from Augusta, Georgia, of the second round of this year's Masters, as the European contingent take on formidable US competition.
Peter Alliss , Alex Hay and Ken Brown commentate. Coverage continues at 10.30pm on BBC1. (S)

Analysis of the day's news with Jeremy Vine. (S) (W)

Mark Lawson is joined by Ian Hislop, Bonnie Greer and Miranda Sawyer to discuss the week's cultural highlights. (S) (W)

As a taster for a new series of Later with Jools beginning next Friday, Jools Holland presents choice cuts from last year's music show, including sets by All Saints, Coldplay, Blur, Craig David , Dido, Georgie Fame , Moby and Moloko. Producer Alison Howe (S)(W) WEBSITE: www.bbc.co.uk/later

Highlights of today's Davis Cup matches between
Britain and Portugal, including Tim Henman and Greg Rusedski 's single matches. With Hazel Irvine. (W)

Ends 2.10am.
Shown yesterday at 6.45pm (S) (W)

Repeats are not indicated.
National Test Revision Revisewise Challenge at Home KS2 Science Ends 5.00am.