The three finalists take on a trio of evening wear challenges. The judges begin by asking the sewers to follow the most complex pattern yet, a double-breasted waistcoat.

It's Party Week, and the finalists must make an iconic stretchy dress, use their old scraps to make an outfit and fit red-carpet-worthy jumpsuits before one is crowned the series winner.

The contestants follow a man's shirt pattern, show off their stitching skills and create a made-to-measure evening gown.

It's the final, and the theme is celebration. The three remaining sewers work on a bridesmaid's dress, a festival-themed transformation and a glamorous off-the-shoulder gown.

The fashion industry is the biggest polluter of our planet next to oil, so for the first time on The Great British Sewing Bee, it is Reduce, Reuse and Recycle Week.

Joe Lycett presents as the sewers create a 'wiggle dress' and transform three items of denim clothing, before having to fit real live models with made-to-measure jumpsuits.

The five remaining sewers take on a 1930s-themed quarter-final using old-fashioned techniques and machines.

It's Reduce Reuse Recycle Week. The sewers make waistcoats out of old clothes, turn army surplus into a women's outfit and make a dress out of jeans.

It's Winter Week. The sewers' skills are put to the test making a flannel shirt, turning old scarves into a garment and creating a glamorous winter party dress.

The three finalists enter the sewing room for the very last time. Who will be the winner?

For a place in the final, the sewers follow the pattern for a kimono-inspired dress, mend old denim using Japanese techniques and create an outfit using folding and pleating.

The competition reaches its conclusion as the three finalists enter the sewing room for the very last time, with the judges looking for cutting-edge designs.

Summer Week sees Esme and Patrick challenging the sewers to create paperbag shorts, cocktail outfits and button-down sun dresses.

Joe Lycett hosts as the nine remaining home sewers return to the sewing room for children's week. The garments are a mammoth challenge being fiddly to sew.

The six remaining home sewers head back in time to the 1980s, attempting to revive the glamorous - and sometimes ridiculous - style of that decade.

The four remaining sewers face three challenges - none of which permit a pattern for guidance.

Joe Lycett kicks off ten weeks of the most perplexing patterns, eye-popping transformations and stunning made-to-measure garments yet.

With Joe Lycett hosting, the remaining home sewers head back in time to the 1970s, attempting to revive the glamorous, rebellious and sometimes ridiculous, style of the decade.

The contestants are tested on a core fabric found in every dressmaker's cupboard: cotton.

It's the final of The Great British Sewing Bee, and after challenges including a Victoriana dress, fabulous men's outfits and a two-in-one dress, only one sewer will be crowned winner.

It's international week, and the sewers make Breton tops, transform sarongs into a new garment and take inspiration from Frida Kahlo.

Five sewers do battle in the quarter-final, where they must master techniques and styles from France, Spain and the Philippines.

The contestants tackle fly fastenings, patch pockets and made-to-measure silk - but two amateur sewers must be sent home.

For reduce, reuse and recycle week, all the fabric in the haberdashery is replaced with charity shop clothes and soft furnishings.

Claudia Winkleman takes the eight sewers back in time to the 1950s, when home sewing was at its height.

Scraps are put to use in Reduce, Reuse, Recycle week to create quilted patchwork jackets. Old coats are given a new lease of life, and second-hand duvets become maxi dresses.

The fabrics in the haberdashery go technical, as the seven remaining home sewers take on man-made fabrics designed for sport and the great outdoors.

It's the final, and after challenges including opera gloves, party paraphernalia and a draped evening outfit, one sewer will be crowned winner.

It is the semi-final and the sewers compete in three more challenges, including a made-to-measure jacket.

The Great British Sewing Bee returns as 12 new sewers get ‘summer ready’ with shorts, transform barbecue aprons into bags, and become models as they make outfits for their perfect summer’s day.

It's Art Week. The challenges are to create a baby-doll dress inspired by Grayson Perry, transform a pair of used painter's overalls and produce a garment that embraces the bold designs of pop art.

It's the semi-final. Three challenges stand between the sewers and the final: plus fours, polo shirts and 1920s-inspired party outfits.

It's Week 8, and the remaining sewers celebrate fashion icons with little black dresses, a shower curtain transformation and smoking jackets.

It's the final, and after challenges including the bias cut dress, sheer fabrics and trompe l'oeil, one sewer will be crowned winner.

The Great British Sewing Bee returns as 12 new sewers tackle shape with tie-front blouses, transform circle skirts, and use pleats in a dramatic Made-to-Measure challenge.

The sewers make a pair of high-top trainers for Sports Week. They also create daywear from old netball kits, and they fit a sports jacket inspired by their sporting hero.

It's summer week, and the sewers make light and airy outfits, including a summer dress, a creation from old hammocks and a two-piece trouser co-ordinated outfit for a man or a woman.

It's week 3, and we're celebrating design icons: Diane von Furstenberg, Vivienne Westwood and Versace.

Twelve brand new sewers follow the pattern for a twist top, transform office wear and create cut-out, made-to-measure dresses.

The sewers create adaptive dungarees, repurpose maternity wear into toddler outfits and design outfits inspired by their childhood dream jobs.

It's week 4, and we're celebrating Korea with sewing challenges inspired by the jeogori, tae kwon do and cheollik.

Week One sees judges Patrick Grant and Esme Young settling the contestants in with a trio of challenges based on everyday wardrobe staples.

It's week eight, and the sewers head to the movies with a jacket from The Birds, cinema curtains and a horrifying Made to Measure challenge.

It's the semi-final, and the sewers go back to the 1940s. They create a pair of Oxford bags, dresses from parachutes and a Dior New Look outfit.

It's Week 4, and the remaining sewers create zero-waste trousers, upcycle tote bags and repurpose crochet blankets in Reduce, Reuse and Recycle week.

The Great British Sewing Bee turns ten as 12 brand new sewers follow the pattern for an A-line skirt, transform T-shirts and put their take on day dresses in the Made-to-Measure.

The sewers celebrate West Africa over three challenges with batakari, adire fabric and boubous.

With Joe Lycett hosting, the quarter-finalists face British and Irish fabrics week. Patrick Grant and Esme Young ask the sewers to create a 'worker's jacket' from linen.

It's the semi-final, and three utilitarian challenges stand in the way of a place in the final: the trench coat, cleaning products and boiler suits.

It's Week 2, and there are three challenges inspired by sport. The sewers are asked to create a half zip fleece, an outfit from cricket kit and a national strip fit for the world stage.

Nine sewers return hoping to show the judges that they can make beautiful clothes on a miniature scale.

Amateur sewers test their sewing and dressmaking skills. The contestants make an A-line dress, alter a high street top and create a made-to-measure dress under the clock.

It's Week 3 of The Sewing Bee, and the sewers face three challenges inspired by travel. They are asked to create summer blouses from tablecloths, nautical bags and outfits fit for the French Riviera.

The sewers put their twist on dinosaur dressing gowns, zhuzh up denim jackets and create pint-sized party outfits for Kids' Week.

It's sportswear week, and the sewers must create rugby shirts, waterproof onesies for toddlers and tennis outfits.

It's Reduce, Reuse, Recycle week, with sewers creating a zero-waste jacket, transforming discarded tents and, inspired by the Make Do and Mend campaign, raiding wardrobes to create new outfits.

Ten home sewers must follow a deceptively difficult pattern for a woman's top made up of four pieces.

It's Week 7, and we're going back to the 90s with cargo pants, 90s icon fancy dress and body-skimming supermodel dresses.