Ends 10.55.

Teletubbies
Strawberry Picking. A present for Dipsy appears and the Tubbies stop eating their custard to watch some children go picking for strawberries. (R) (S)

7.25 Yogi's Space Race
Animated space adventures with Yogi Bear and his fellow travellers. (R)

7.45 Goober and the Ghost Chasers
Ted, Tina and Gilly accompany the occasionally invisible dog on another animated adventure. (R)

8.10 Bump in the Night
A double bill of animated stories about toys that come to life. (R)

8.30 Ace Ventura - Pet Detective
Animated fun with the sartorially challenged private eye. (R) (S)

9.00 Goosebumps
In the conclusion of a two-part story, Brian tries to escape when he realises that a perfect version of him is being cloned to send back to his parents. (R) (S)

9.25 Really Wild Show Wildest Hits
Animals that prefer living in water feature in today's highlights from the wildlife series, including sea otters in California, South African penguins.
Cayman Island stingrays and the baby sea lion having its first swimming lesson. With Michaela Strachan, Nick Baker, Janice Acquah, Howie Watkins. Last in the series. (S)

9.50 The Big Knights
Alchemy. Things do not go to plan when Sir Boris and Sir Morris attempt to borrow a spell belonging to the queen that can turn base metal into gold. (R) (S)

10.00 Little Bear
Adventures with a bear cub and friends. (R)

10.30 Tweenies
Rainy Day. A spot of wet weather threatens to spoil the Tweenies' picnic plans until the group make a collage. (R) (S) (W)

10.50 Microscopic Milton
Animation about a tiny creature who lives in a clock on a mantelpiece. (R)

Disney children's adventure.

Ten-year-old Emil is on his way to Berlin carrying money for his grandmother. The boy falls asleep on the bus and a crook robs him. Emil's bid to recover the cash leads him into a series of adventures.
(1964, U) **
(S)
Films: pp 66-74

Round-the-country reports on the latest consumer news. With Adam Shaw and Adrian Chiles.

Continuing world championship coverage from Sheffield as the tournament reaches the semi-final stage. At stake are places in the best-of-35-frame final and a winner's cheque for £240,000.

At this point in 1999, Scot John Higgins squared off with Welshman Mark Williams, while Ronnie O'Sullivan met the man who ultimately won the competition, Stephen Hendry.

Introduced by David Vine and Dougie Donnelly. Ray Edmonds, Clive Everton, John Parrott, Dennis Taylor, Willie Thorne and John Virgo occupy the commentary positions.
(S)

Including at 3.20 News, Regional News (S), Weather

Lady Bouvier's Lover
Bart lends a hand when his grandfather and Mr Burns both fall for the same person.
(R) (S)

6.20 Grandpa v Sexual Inadequacy
Homer discovers that his conception was an accidental event.
(R) (S)

Dougie Donnelly introduces further live semi-final coverage with eight frames to be contested this evening.
(S)

Continuing the documentary series narrated by Caroline Quentin about people devoted to countryside traditions.

Penhow and Pencoed castles are a mile apart in South Wales border country. The former has been restored by its owner, Stephen Weeks, while the latter lies derelict and is the subject of planning proposals including a golf course and a theme park. Weeks has joined other campaigners intent on saving Pencoed from developers.
(S) (W)

Series examining how the First World War was fought.

During a single day 60,000 British soldiers were killed or wounded at the Battle of the Somme. Richard Holmes asks why the engagement proved to be such a catastrophe. Did Generals Haig and Rawlinson contribute to the slaughter by refusing to alter flawed plans?
(R) (S) (W)

Stephen Lacey visits the garden belonging to designer John Brookes and Joe Swift meets Stanley Killingback, who has crammed 14,000 tulips into his east London plot. Plus advice on what to do with spring bulbs once they have finished flowering and Alan Titchmarsh on how to enter the BBC Gardener of the Year competition. See Choice.
(S) (W)
BBC Books: Gardeners' World: Practical Gardening Course by Geoff Hamilton. price £12.99, and Geoff Hamilton: a Man and His Garden by Gay Search and Tony Hamilton, price £7.99. both in paperback and available from retailers.

Alan Titchmarsh: page 37: Dr Mark Porter: page 43

More sacred cows are slaughtered on the irreverent topical news quiz hosted by Angus Deayton, with teams of celebrities captained by Ian Hislop and Paul Merton.
(Repeated tomorrow)

David Vine presents further coverage from the Crucible in Sheffield of today's semi-final matches.
(S)

With Martha Kearney.

At 11.00 News headlines.
(S)

Over two million citizens, half of them Germans, have bought second homes in poor areas of the EU. This edition visits Sweden and Portugal, where locals have reacted differently to the influx. Last in series.
(S)

Celebrating the declaration of Sikhism over 300 years ago, Vaisakhi is now one of the religion's biggest festivals. This programme takes a look at its origins and sees how it is celebrated by British Asians. Presented by Tony Singh.
(S)

Comedy drama. While a D-Day veteran is receiving treatment in hospital following a stroke, his three sons discover some wartime love letters to a mysterious French woman and decide to organise a reunion.
(1989) ***
(S)
Films: pp 66-74

Drama.

A young marijuana user is ordered by his pusher to find new business among his high-school classmates.
Ends 2.55am.
(1958) ***
(BW) (S)
(Postponed from 14 April)
Films: pp 66-74

(S)

(Repeats are not indicated)

Ends 5am.