Presented by Bill Turnbull and Sian Williams.

Gregg Wallace welcomes chefs Tony Tobin and James Tanner to the weekly food-fest, while in the programme's archive section Rick Stein roams the Scottish coast in search of seafood and Gary Rhodes has tasty soups to liven up spring. Viewers can vote for their favourite indulgent desert to be cooked at the end of the show. Producer Michael Connock
Editor Elaine Bancroft BBCi: special features via the handset, or www.bbc.co.uk/food/saturdaykitchen Wok and toaster offers - RT Shop: p40 Spanish wine offer: page

Alan Coxon and Kathy Sykes explore the history and science behind sushi.

Ben Fogle and Kate Humble witness a baby giraffe's first zebra encounter at Longleat.
Executive producer Annette Clarke ; Series editor Chris Powell

Mark Wheatley presents a debate on whether gay couples should be allowed to adopt children. With sign language, voiceover and in-vision subtitles. Repeated Tuesday at 1.45am on BBCI www.bbc.co.uk/seehear

Visits to Berkshire, Sussex and Gwynedd.

A look ahead to the 75th Academy Awards, plus an interview with Pierce Brosnan. Coverage of the Oscars starts at 12.50am tomorrow on BBC1. Shown Tuesday BBC1

A double bill from the 1980s crime-busting series begins an afternoon of Watching the Detectives drama.
Informant. The duo are uncomfortable with the method used to infiltrate a school drug ring.
2.25 Matinée. Cagney and Lacey look into the disappearance of a wealthy, unfaithful woman from the suburbs.

Case of the Killer Kiss. I n the second half of today's Watching the Detectives drama strand, Mason has to deduce which one of a murdered soap-opera star's acquaintances committed the deadly deed. A new detective series, Monk, starts tonight at 5.45pm

In the last of four Saturday shows before Flog It! returns to daytime TV next month,
Nigel Smith proves valuing antiques is an inexact science in Buxton, Derbyshire.
Meanwhile Paul Martin revisits his school, learns about furniture restoration and visits Stoke-on-Trent's Potteries Museum.
Series producer Hannah Comeck ; Executive producer Jane Lomas

A feature-length episode ushers in this 12-part American drama series about a private consultant working with San Francisco's police who has obsessive-compulsive disorder. Mr Monk Meets the Candidate. When a major political figure becomes targeted by a sniper, Adrian Monk is called in to help narrow down the field of suspects, but his methods of investigation infuriate those in charge of the case.
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Andrew Graham-Dixon sets out to reveal the untold personal stories of three great artists in this new series.
Constable in Love. His pictures are seen as the embodiment of rural English cosiness, but John Constable 's paintings belie a forbidden private passion. He first met Maria Bicknell when he was 24 and she was just 12. Years of family disapproval and on-off courtship ensued before they finally married, but Maria tragically died at just 40. Andrew Graham -Dixon argues that it was his devotion to his love that proved the catalyst for Constable to revolutionise landscape art. Director Roger Parsons ; Executive producer Basil Comely Danny Kelly on our obsession with art: page 13

Designing the 70s. In the 1970s, as Britain was gripped by recession, social unrest and industrial decline, designers purveyed nostalgia, futurism and escapist chic. Urbanites aping the semi-rural idyll of The Good Life invested in pine, Laura Ashley clothing and Range Rovers; Norman Foster broke new architectural ground with his Sainsbury Centre; and, in Silver Jubilee year, the DIY aesthetic of punk rock birthed a fashion revolution. Narrated by Penelope Keith.
Director Robin Dashwood ; Series producer Mary Sackville West The classic looks that last: page 39

Taken. In a simulcast with BBC3, young Allie's fate is determined and her family must make their toughest decision as Steven Spielberg 's sci-fi saga reaches its climax. A night of alien-related programming to mark the end of the series continues at 10.25pm on BBC3 with Pure Taken.
Repeated on Friday at 11.35pm www.bbc.co.uk/taken

The Commitments writer Roddy Doyle 's romantic comedy about a Dublin teacher whose world is turned upside down by a country girl with a dangerous secret life. Featuring a guest appearance from Gabriel Byrne. Contains strong language.
Director Kieron Walsh ; Producer Lynda Myles

The Office star
Mackenzie Crook and former Led Zeppelin vocalist Robert Plantjoin host Dara O'Briain and his resident mirth-makers for the last of the comedy showcases.
Director Dominic MacDonald ; Series producer Gary Chippington

Repeats are not indicated, www.bbc.co.uk/learningzone
Languages 2.00 Europuzzle: European Identity -national identity in the EU; Working with the Germans - German business practice Exam Revision 3.00 GCSE Bitesize Revision: Religious Studies Philosophy and Ethics - moral and philosophical courses Skillswise 5.00 The Guide - new literacy/numeracy strategies