Ends 9.00.

Pingu
Pingu goes ice-skating.
(Repeated at 1.05pm)
(R)

7.05 Playdays
Peggy and her friends look for boats at Rye.
(R)

7.25 Smurfs' Adventures
Animated azure-tinged adventures.
(R)

7.50 Blue Peter
Children's magazine.
(Shown yesterday at 5.10pm on BBC1)
(S) (W)

8.15 The All-New Popeye Show
Animated antics.
(R)

8.40 Polka Dot Shorts
Bear makes a cookery programme.
(R)

8.50 Brum
Brum wanders on to the stage of an opera.
(R)

Half-term repeats.

9.00 Cats' Eyes: Types of Materials: Building Materials
(ages 5-7) (S)

9.15 Cats' Eyes: Types of Materials: Waterproofing
(ages 5-7) (S)

9.30 Words and Pictures: The Golden Goose
(ages 5-7) (S)

9.45 The Pocket-Sized Guide to Parenting
(S) (W)

A herd of giraffes march through Teletubbyland.
(R) (S)

The Tweenies try making Doddles feel better.
(R) (S) (W)

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

11.00 Numbertime: Change from 10p
(ages 5-7) (S)

11.15 Watch: Making Books: Pop-ups
(ages 5-7) (S)

11.30 Megamaths: The Three-Times Table
(ages 7-10) (S)

11.50 Science Zone: People: Peak Performance
(ages 9-11) (S)

12.10 Science Zone: People: Criminal Solutions
(ages 9-11) (S)

Educational numeracy series. This edition deals with change from 10p, and includes El Nombre helping Juan with his souvenir shopping and Bill and Bernie buying juices and snacks.

Latest business and consumer news developments.

Angelmouse can't decide on a birthday gift.
(R)

(Shown at 7.05am)

(ages 9-11) (S)

Hugh Porter reports from Manchester Velodrome on the first day of the World Track championships, where Jason Queally attempts to repeat his Olympic gold success in the 1km time trial.
(Further coverage tomorrow at 1.30pm)

The chef cooks classic lemon chicken with braised spicy bean curd.
(S) (W)

Diana Madill offers a chance for viewers to quiz MPs.
(S)
Contact Details: see Tuesday

3.20 News; Regional News (Digital: UK Today); Weather
(S) (W)

Esther Rantzen meets people who gave up high-earning jobs to lead an easier life.
(S) (W)

Ainsley Harriott hosts the cookery contest.
(S)

Elimination quiz show hosted by Anne Robinson.
(S) (W)
(The Weakest Link has an extra evening edition on BBC1 starting next Tuesday)

Clare Balding introduces action from day eight, with James Anderson, Jeannette Chippington and Melanie Easter going for glory in the pool, and David Holding, Andrew Curtis and Nigel Bourne hoping for gold on the track.
(S)

Buffy reluctantly joins Willow, Xander and Oz at a sinister Halloween party, and soon becomes trapped in a real-life house of horrors.
(Repeated tomorrow at 12.10am)
(S) (W)
Website: [web address removed]

Wendy Robbins spends a day with Evening Standard editor Max Hastings and his family. Is the man they labelled "Hitler Hastings" as tough as his image?
(S)
(Regional Programme: see panel on left for variations)

Another chance to see the first in this six-part series shown earlier this year in which steeplejack Fred Dibnah celebrates some of Britain's great building and engineering feats. Taking castles as his theme for tonight's programme, his journey begins at Old Sarum's Iron Age fort in Wiltshire.
(R) (S)

Jason Barlow assesses Alfa's new Sportswagon, Adrian Simpson reveals some surprisingly attractive options for those wanting to put a car on the road for £1,000, and Tiff Needell lines up on the grid at Goodwood - in an Aston Martin valued at some £2.5 million.
(S) (W)

The discovery of a vast and mysterious lake - four kilometres beneath the Antarctic ice at the coldest place on earth but not, as would have been expected, frozen solid - has baffled scientists who, convinced that it could contain unique life-forms, are now anxious to discover what secrets the lake holds. But can they do this without contaminating the most pristine body of water on the planet?
See Choice.
(S) (W)

Cobblers reveal what it takes to be well-heeled.
(R) (S)

[NB Radio Times says "well-healed" in error]

Joining Jeremy Clarkson as his guest in the second of his current series of chat shows is the Leader of the Conservative Party, William Hague.
(S) (W)

Analysis and discussion of the day's news stories, presented by Jeremy Vine.
(S) (W)

In the last of this week's chat shows Ruby Wax plays host to Lucie Arnaz, daughter of Lucille Ball, who discusses showbiz dynasties with performer Alexis Arquette, brother to Rosanna and Patricia, and with actress Suzanne Bertish.
(S) (W)

The day's events at Westminster, introduced by Sian Williams.

(Repeats are not indicated)

Open Science
12.30 The Next Big Thing: The Reality of Risk
1.00 Whose Web is it Anyway?
(S)
1.30 Background Brief: Time Travel for Beginners
1.45 What Have the Seventies Ever Done for Us?
1.55 Tales of the Expected - Stackers
2.00 Restoring the Balance
(S)
2.30 Sex and the Single Gene?
(S)
3.00 Missing the Meaning?
(S)

Curriculum Development
3.30 Literacy: the Write Way: Part 1

Languages
4.00 Italianissimo: Parts 17-20)

Webwise 2000
5.00 Get Webwise: Parents - the Issues
(W)
5.30 Get Webwise: Parents - Hands On
(W)

Open University
6.00 Looking Glass World
(S)
6.30 The Chemistry of Creativity
(S)

Ends 7.00am.