Ends 8.15.

Potsworth and Co
Even reaching the post of king has its downside for Potsworth. (R) (S)

7.20 Arthur
Double bill. Arthur tries to imagine life with the new baby, then DW has trouble adjusting to parenthood. (R) (S)

7.50 Blue Peter
Mothering Sunday gift ideas. With sign language.
Shown yesterday at 5pm on BBC1 (S) (W)

Ends 10.50.

Doctor Otter
The mammalian medic tends to more of his friends.
(Repeated at 1pm)

8.25 Just So Stories
Geoffrey Matthews narrates the tale of How the Alphabet Was Made.

8.35 Postman Pat
Jess and Pat make more calls on the villagers of Greendale.

8.50 Pingu
Animated adventures with the petite penguin.

9.00 Teletubbies
Double bill. Emily and Jamie bathe their dog, and Little Bo Peep loses her sheep. BBC Video: Teletubbies 2 video boxed set. price £12.99

9.50 Playdays
Peggy Patch, Poppy and Whybird visit a farm with yellow fields.

10.10 Tweenies
Max cheers up Fizz by asking her to care for a hedgehog, then takes her and Jake to the farm to see some lambs.

Repeats are not indicated.
10 50 Megamaths (ages 7-9)
Shape - Three-Dimensional Shapes 6504533 11.10 Look and Read ages 7-9) Zzaap and the Word
Master - No Hope Valley Written by Berlie Doherty
1130 Science Zone (ages 9-11)
The Environment - Green Piece 5272858 11-50 Landmarks (ages 9-11) Time Lines - Home
7309194 12.10 Focus (ages 9-11) Substance Misuse - Keep Your Mouth Shut

Business updates.
Ceefax: page 238

Ends 1.10.

Doctor Otter
Shown at 8.15am (S)

War drama. 1945: as the people of the Philippines fight the Japanese while awaiting liberation, a US colonel forms a guerrilla army to prepare for landings. Review page 66.
Director Edward Dmytryk (1945. PG)
(BW)

Zeinab Badawi unveils the latest from the corridors of power.
(Contact details Wednesday)

(Digital: BBC London News)
Weather

Celebrity chat and debate with host Esther Rantzen and her studio audience. <w)

Another round of meals injust 20 minutes. Presented by Ainsley Harriott.

More acerbic put-downs in the elimination quiz.

Lisa on Ice. Lisa joins an ice-hockey team and finds herself pitted against Bart in a crucial game.

Clubba Hubba. Will tries to impress a country-club girl. Guest-starring Shaft actor Richard Roundtree. The series continues tomorrow at 6.20pm

The Weight of the World. Glory's capture of Dawn leaves Giles wounded. With Buffy absent, can Glory be stopped? Repeated tomorrow 11.35pm WEBSITE: www.bbc.co.uk/cult

From Birmingham's NEC, Philippa Forrester sets the scene as the world's biggest canine show gets under way, with over 25,000 dogs representing 130 breeds. Tonight, judges select the finest animals from the working and pastoral categories. With reporter Melissa Hilton , and commentators Peter Purves , Jessica Holm , Frank Kane and Wayne Cavanaugh. Continues tomorrow at 8pm.
Producer Ian Russell ; Executive producer David Pickthall

Sangita Myska looks into more scams within the car trade. Going Spare. An undercover team visits Turkey's largest fake-parts manufacturer to expose the trade in low-quality, potentially dangerous car accessories, plus news of some suppliers providing engines not fit even for a lawnmower. Producer James Mallet ; Series producer Fiona Campbell

In the second in a six-part guide to buying the right car, Top Gear presenter Jason Barlow and used-car merchant Dominic Littlewood go on a mission to find motorist Karen Parkinson and her family the ideal automotive replacement for their much-travelled Vauxhall Belmont.

The Fall of the World Trade Center. The twin towers that once dominated the Manhattan skyline were designed to withstand the impact of a jet. So why did the attacks of 11 September have such an effect? Accounts from eyewitnesses and investigators, computer graphics and hitherto unseen footage combine hereto provide a scientific explanation. Producer Garfield Kennedy ; Executive editor John Lynch

Boom or Bust. Entrepreneur Michelle Mone and her husband developed the world's first cleavage-enhancing bra using liquid silicone gel. But, as their "Ultimo" creation captured public attention and scooped awards, rivals were fighting back. The documentary series follows Mone's turbulent crusade to sell her lingerie to a global, online market.
Producer Simon Dickson ; Series editor Robert Thirkell

Presented by Kirsty Wark.

Thefirstin a new series of the rugby magazine, presented by Jonathan Davies , Keith Wood and Austin Healey. Features this week include an investigation by John Inverdale into the professional game's injury crisis, and Eddie Butler 's survey of the Six Nations Championship. Editor Jo McCusker

Presented by Andrew Neil.

Repeats are not indicated.
Open Science 12.30 The Next Big Thing 62205 1.00 Final
Frontier 2780601 1.35 Hollywood Science Die Hard 7940205 1.45 Truth Will Out 7960069 2.00 The Science of Climate? 85866 2.30 Managing for Biodiversity Forests in Trinidad 97601 3.00 Mappingthe Milky Way
Curriculum Development 3.30 PSHE The Chat Room: Self-Esteem Hands Up! -with sign language.
Langiages 4.00 Japanese Language and People (parts 9-10) Skillswise 5.00 Good Practice
Open University 6.00 Soaring Achievements
6.30 Catalysts against Pollution