Channel 4 Saturday

Niles receives divorce papers from Maris - and to show he is not as spineless as people think, he signs them immediately. Comedy, starring David Hyde Pierce

Part two of two. The pretentious Semenko begins to paint Diane, but Sam despises the artist so much that he soon orders Diane to stop posing for him

Part one of two. In the aftermath of their separation, Sam returns to his playboy ways and Diane dates her psychiatrist. Kelsey Grammer makes his first appearance as Frasier

Part two of two. With Sam getting his life back on track after several sessions with Frasier, Diane feels it is time to come clean about her relationship with the psychiatrist

Martin suffers a mild heart attack, but tries to keep it from Ronee - to the dismay of Frasier and Niles, who feel it would be unfair of him to hide such serious news

Infuriated at the dullness of his life, Frasier steals a small box from a neighbour for the thrill - but guilt prompts him to find a way to return it without being caught

Niles and Daphne plan a natural birth, causing the father-to-be to develop sympathy pains. Meanwhile, Frasier hires a professional matchmaker. Guest starring Laura Linney

Niles takes a sudden liking to fast food, Frasier pines for attractive matchmaker Charlotte, while Ronee alarms Martin by revealing her mother is coming to town

Frank almost gets in the way of Frasier's date with Charlotte, but the pair finally admit their feelings for each other. Martin plans to present Ronee with an engagement ring

The cost of repairing the family home forces Marge to make a big decision. With the voice of Tom Jones

Bart develops a crush on babysitter Laura Powers and plots to break up her relationship with bullying boyfriend Jimbo Jones. Featuring the voice of Sara Gilbert

Homer's new snowplough business proves an unexpected success, but drives a wedge between him and Barney. Featuring the voices of Linda Ronstadt and Adam West

The family awaits Maggie's first words - which prompts Marge to reminisce about Lisa's early days and Bart's outbreak of sibling jealousy. With the voice of Elizabeth Taylor

Couples from the West Midlands compete for the cash prize of £1,000, with Sam and Karl, Ange and Dave, and Cleo and Nick hoping to impress with their menus

The competition starts at the White Swan in Deighton, North Yorkshire, where Roman Solnar and Tamsyn Muller hope their guests will appreciate their no-nonsense approach

The second visit is to Clough View Farm in Matlock, Derbyshire, where a long wait for breakfast provokes unease and some tough feedback is handed out by Roman and Tamsyn

The third visit of the week takes place at The Buxted Inn in Uckfield, East Sussex, run by Nick Bolton and chef David Kirby

The final stay is at the Crescent Victoria hotel in Margate, Kent, where hosts Farid Al-Faisal and John Dennis aim to treat their guests like royalty

Roman and Tamsyn have some cracks to paper over from previous critiques in the week as the B&B owners meet for the last time to settle some scores

Rose Matafeo and Mike Wozniak host as young people aged 9 to 11 bring their fledgling wiles, athleticism and creativity to the game that recognises genius at any age

The bakers' skills are put to the test in Dessert Week as they make meringue nests, a new twist on a steamed suet pudding and a tiramisu

With sport and weather

Rob Rinder and Philippa Langley reinvestigate new leads in the case of the infamous mystery, challenging the belief that Richard III had the two princes killed to seize the throne

Part one of two. Documentary about the doomed ship, featuring photographs and film footage that have been specially colourised for this series, many for the very first time

Alice arrives in Istanbul, where east meets west. Here she examines the creative tactics employed by the Ottomans to wrestle the supposedly impregnable city from the Romans

An amateur boxer falls for a member of the Catholic Church and decides to become a priest. Drama, starring Mark Wahlberg and Mel Gibson

A group of Catholic school girls go to Edinburgh for a choir competition, but they are more interested in drinking and partying. Comedy drama, starring Abigail Lawrie

A gambler and former serviceman sets out to reform a young man seeking revenge on a mutual enemy from their past. Crime thriller, starring Oscar Isaac and Tiffany Haddish

The president of a Chicago-based hardware retailer poses as a handyman taking part in a reality show to go incognito among his own workforce

Abe is on edge over the captive Cleo, as Joel's attempts to get in touch with her add pressure to his ever-growing web of lies. The feud between Grace and Mercedes boils over

Sam discovers an intimate secret concerning Diane's romance with her new boyfriend Frasier that leads him to believe she is still madly in love with him, making his ego even bigger