Ends 9.00.

Pingu
Fun with the clumsy penguin.
(Repeated 1.05pm)
(R)

7.05 Playdays
The friends learn about lighthouses at the Patch Stop.
(R)

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

7.55 Blue Peter
How to make winter window-boxes, plus appeal news.
(Shown yesterday at 5.10pm on BBC1)
(S) (W)

8.20 The All-New Popeye Show
A triple bill of animated antics with the spinach-guzzling sailor.
(R)

8.40 Polka Dot Shorts
Polkaroo goes for a walk in the woods. Humpty and Dumpty dream of jungles.
(R)

8.50 Brum
The animated automobile helps a little lost girl.
Narrated by Toyah Wilcox.
(R)

(Repeats are not indicated)

9.00 Cats' Eyes: Changes in Materials: Freezing and Melting
(ages 5-7) (S)

9.15 Cats' Eyes: Changes in Materials: the Effects of Heat
(ages 5-7) (S)

9.30 Words and Pictures: A Roar for Stanley
(ages 5-7) (S)

9.45 The Pocket-Size Guide to Parenting
(S) (W)
Website: [web address removed]

Dipsy runs all over Teletubbyland.
(R) (S)

The friends visit "odd sock land" to hunt for Milo's missing footwear.
(R) (S) (W)

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

11.00 Numbertime: Shapes: Rectangles
(ages 5-7) (S)

11.15 Watch: Art Start: Painting
(ages 5-7) (S)

11.30 Landmarks: River Severn: Water from the River
(ages 9-11) (S)

11.50 Science Zone: Changes in Materials: a Rusty Tale
(ages 9-11) (S)

12.10 Zig Zag: Snap Shots
(ages 7-9) (S)

Vanessa Collingridge takes a closer look at how the river is used, from irrigation through generating power and cooling industrial processes to drinking water and sewage treatment. Show more

A roundup of the latest business and consumer news.

Fun with the helpful cherubic mouse. With the voice of David Jason.
(R)

(Shown at 7.05am)

(ages 7-9) (S)

The first of today's two visits to the indoor bowls Open at Ponds Forge international sports centre in Sheffield. Following the final second-round matches, Dougie Donnelly introduces the opening action from the quarter-finals.
(S) (W)
Website: [web address removed]

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

(S) (W)

Continued coverage of the quarter-finals from Sheffield.
(S) (W)

Nine more contestants vie for the top prize money of £10,000 in the ruthless quiz show that asks competitors to turn on each other. Presented by Anne Robinson.
(S) (W)

Michael sets out to find Riverdog after finding a picture of the cave drawings in Max's notebook.
(S)

Riley makes a play for Buffy while Spike's powers fade when he is captured by the "commandos".
(Repeated tomorrow at 1.10am)
(S) (W)
Website: [web address removed]

A look at what is meant by black culture and its alleged negative influence on academic performance. Plus a parent-teacher initiative to enable black students to succeed without compromising their cultural identity.
(S)
Website: [web address removed]
(Regional Programme: see panel on left for variations)

Dibnah's journey takes him from a 1,000-year-old tithe barn in Sussex to the modern Lloyd's Building in London. Along the way he visits a Norman hospital and one of Britain's oldest dockyards in Kent.
(R) (S) (W)
BBC Book: paperback, price £11.99, available from retailers

Tiff Needell joins owners and drivers on the grid as he enters the glamorous finals of the biggest Ferrari Festival ever in Italy. Plus highlights from this year's international bike show in Birmingham. With Jason Barlow and Vicki Butler-Henderson.
(S) (W)
BBC Top Gear Magazine: price £3.50, available monthly from newsagents

There's a strange mystery at the heart of the Aids epidemic in Africa. It seems there are crucial groups of people who are four times less likely to get HIV than others living in the same valley - people with apparently similar behaviour and lifestyles. After 15 years of detective work, scientists have potentially come up with an answer. Controversially, it seems that circumcision might control the Aids epidemic in Africa.
(S) (W)

As the arrival of the new console looms, a timely look at the rise of the computer game among adults.
(S) (W)

Pugnacious ex-Top Gear host Jeremy Clarkson shares his politically incorrect outlook on life with the left-of-centre comedian and impressionist Rory Bremner.
(S) (W)

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

The last of this week's job swaps follows how remote worker Laurence Peach copes with the distractions of a busy recruitment office while Pauline Evans is left to survive with only the information superhighway and an ironing board for company.
(S)

Followed by 48 Preludes and Fugues
Bach's Prelude and Fugue in A minor (Book 1 No 20).
(S) (W)

The day at Westminster.

(Repeats are not indicated)

Open Science
12.30 Rough Science
(S)
1.00 Code and Catastrophe
(S)
1.30 Background Brief
1.45 What Have the Eighties Ever Done for Us?
2.00 Open Advice: Women in Science and Technology
2.30 Rapid Climate Change
(S)
3.00 Reindeer in the Arctic

Curriculum Development
3.30 Numeracy Now

Languages
4.00 Buongiorno Italia! Beginners' Italian: Parts 9 and 10; Bon Mot

Working in IT
5.00 Starting on the Web

Open University
6.00 A New Way of Life
(S)
6.30 Housing: Business as Usual
(S)

Ends 7.00am.