In the Season Finale, designers present collections inspired by their own heritage at a VIP runway show at the world headquarters of the United Nations. Project Runway's Zac Posen and guest judge Gayle King help to crown the winner.

"Project Runway" winners worldwide design sophisticated graduation party outfits; actress Sofia Carson joins the judges.

Project Runway goes global as the designers team up with some of the most influential fashion bloggers in the world to identify a new trend for 2014. Guest judges are Nina Garcia, Christian Siriano and Calvin Klein's Francisco Costa.

The remaining All Stars create fashion for “modern” families to secure their place in the finale. Marie Claire’s Editor-in-Chief Anne Fulenwider judges.

The designers must create feminine looks from the masculine materials at a construction site in an unconventional challenge.

Season winners face the dreaded "Unconventional Challenge" on board an airplane; Tamron Hall and Martha Hunt guest judge.

The all-winners season continues with high fashion inspired by zoo animals for a wild night out; Peyton List and Joan Smalls guest judge.

Fashion and commerce collide as the All Stars work with design house Milly to create ready-to-wear looks to be sold for charity and the designers face a shocking twist on the runway. Guest judges are Kristin Chenoweth, Nick Cannon and Milly Designer Michelle Smith.

With exclusive access to the Broadway musical, "Wicked," the designers compete to create couture inspired fashion.

Marilyn Monroe's timeless beauty inspires the designs of red carpet gowns; a Hollywood legend visits the workroom.

Project Runway winners from the U.S. and around the world compete in the first-ever fashion world championship. With guest judge Debra Messing.

The designers must create looks for Match.com singles to wear on first dates.

RuPaul and Jesse Tyler Ferguson join the judging panel for a spectacular avant-garde runway.

At the Smithsonian in Washington, DC, designers are challenged to create 6-piece collections. A surprise runway sends one designer home early. Dita Von Teese guests.

Willy Wonka inspires the designers to create new inventions in fashion for an avant-garde runway; guest judges Andrew Rannells and Anna Camp.

The All Stars take to the streets of New York to convince total strangers to part with their clothes in the name of fashion. Their muse's outfits are ripped apart and reborn in the hands of an All Star.

The designers must use marine life as inspiration for avant-garde fashion; one designer doubles the budget by swimming with sharks.

Designers create looks to celebrate a woman’s inner superhero. Supermodel Karolina Kurkova guests.

America's favorite housewife, Marge Simpson, turns to the All Stars to design a date night dress for an exciting evening out on the town with Homer. Guest judges Anthony Ryan Auld, designer Stacey Bendet and actress Abigail Breslin help to determine whose dress Marge will wear on a future episode of "The Simpsons".

Fourteen designers return for the season; the designers create collections inspired by new York's uptown or downtown scene.

Designers tear, dye and burn to create distressed fashion for a post-apocalyptic runway. Danielle Brooks guests.

International All Stars create outerwear from underwear by transforming corsets into runway looks; Rebecca Minkoff and Olivia Culpo guest judge.

Vanessa Williams and Jasmine Tookes guest judge as "Project Runway" winners turn daytime separates into a sensational nighttime look.

The designers must create colorful party dresses inspired by their personal relationships.

The clothiers meet British royalty in London as inspiration to create winter fashions. Guest judge: Debra Messing