Ends 9.00.

Playdays
Peggy Patch visits Ickwell to watch maypole-dancing on the green.
(R) (S)

7.20 Pocket Dragon Adventures
Filbert is captured and held hostage by the Grakul.
(R) (S)

7.35 Snorks
Double bill of animated underwater antics.
(R) (S)

8.00 Blue Peter
Children's magazine, presented by Konnie Huq, Liz Barker, Matt Baker and Simon Thomas.
(Shown yesterday at 5pm on BBC1)
(S) (W)
Website: [web address removed]

8.25 Moomin
Could Mushroom and friends have had a soporific effect on everyone?
(R) (S)

8.45 64 Zoo Lane
Animation. Lucy hears the story of Snowbert, a lonely polar bear who makes a friend.
(S)

(Repeats are not indicated)

9.00 Hands Up!: My Home (ages 3-6)
with sign language.

9.15 Hands Up!: Storytime: Frog in Winter (ages 4-5)
with sign language.

9.25 Hotch Potch House: Just the Same (ages 3-5)
(S)

9.45 Dynamo: Numeracy: Numbers 7 and 5 (early years)
(S)

Ends 10.50.

Teletubbies
Andy Brown and two children look at caterpillars, and a book that appears shows Po how to count to three.
(R) (S)

10.30 Tweenies
Judy has left a bag of toys on the bus that she intended as a surprise for the other Tweenies.
(R) (S) (W)
BBC Music: the latest Tweenies single, Best Friends Forever, available now

10.50 Zig Zag Shorts: France: Brittany (ages 7-9)
(S)

11.00 Watch: The Songcatcher: the Shell (ages 5-7)
(S)

11.15 Numbertime: More or Less: Two More (ages 4-6)
(S)

11.30 Look and Read: Captain Crimson: Guzzle Trouble (ages 7-9)
(S)

11.50 Zig Zag: Art: Line and Shape and Form (ages 7-9)
(S)

12.10 Folk Dance: Country Dance: Part 2 (ages 9-12)
(S)

The mysterious and enigmatic Song Catcher catches the song of the sea. The music is played by a young musician of the year piano finalist.

Latest news from the consumer and business worlds, with Adrian Chiles, Adam Shaw.

Coverage from the Crucible in Sheffield of the first semi-final, with four sessions and 33 frames played over the next three days to decide the first participant of this year's final. With Matt Smith.
(S) (W)

Diana Madill offers viewers the chance to quiz MPs on topics thrown up by the past week's political events.
(S)
Contact Details: see Tuesday

(Digital: UK Today); Weather (S) (W)

Continued semi-final coverage from the Crucible, with the winner picking up a cheque for at least £147,000. Mark Williams and Matthew Stevens made it an all-Welsh final last year by beating, respectively, John Higgins and Joe Swail. With Dougie Donnelly.
(S) (W)
Website: [web address removed]

Lois and Clark pose as a honeymoon couple to keep watch on a power-crazed businessman who is planning sabotage.
(R) (S)

Coverage of the second semi-final commences this evening, with the opening exchanges in this first session introduced by Matt Smith.
(S) (W)

One unfortunate side effect of the continuing success of Manchester United is that organised gangs, aware of the huge money-making opportunity, are smuggling fake copies of the players' strips into Britain. Thousands of United fans spend millions of pounds every year on merchandise, but, as this programme reports, many are unwittingly being duped into purchasing counterfeit items.
(S)
Website: [web address removed]

Series in which presenter Daru Rooke helps heritage-seekers to investigate the history of their ancestors.

British middleweight boxing hopeful Spencer Fearon travels from south London to Jamaica with Rooke, expecting to find his ancestry intertwined with the familiar stories of slavery and powerlessness. But, on arrival, he finds that his surname derives from a powerful group of English colonisers, and that a branch of his family was the Maroons - a group of fearless freedom fighters who, in 1738, won independence from the British.
(S) (W)

The latest model from Jaguar's production lines, the X-Type, marks a radical departure for the luxury brand. Jason Barlow takes the saloon sports car for a spin to see whether its makers will succeed in appealing to a younger demographic, or whether the X-Type will damage their reputation as a top people's car manufacturer. With Vicki Butler-Henderson and Tiff Needell.
(S) (W)
BBC Top Gear Magazine: price £3.50, available monthly from newsagents

The evening session in the second semi-final at Sheffield's Crucible, with a maximum of 33 frames to be played over four sessions. Presented by Dougie Donnelly.
(S) (W)

News analysis, presented by Jeremy Paxman. (S) (W)

There are only six weeks to go until the unveiling of Century Radio, a new station aiming to attract listeners with name presenters, football coverage and expensive publicity. But can managing director John Myers mould the former Liverpool councillor Derek Hatton into the perfect lunchtime phone-in host before the launch date?
(R) (S)

Presented by Steve Richards.

(Repeats are not indicated)

Open Science
12.30 Final Frontier
1.00 Catching the Good Health Train
1.35 What Have the Eighties Ever Done for Us?
1.45 Background Brief: Chances Are....
2.00 Did Tibet Cool the Earth?
(S)
2.30 Volcanos and the Atmosphere
(S)
3.00 Biosphere 2
(S)

Curriculum Development
3.30 Teaching Today: ICT - Getting Connected in the Primary School
(S)

Languages
4.00 Deutsch Plus 2

Languages for Work
5.00 Make Italian Your Business: Part 2

Open University
6.00 The Art of Breathing
(S)
6.30 Food: Whose Choice Is It Anyway?
(S)

Ends 7.00am.