Eighteen designers have made it through the application stage, but the judges need to pare down the group to fifteen contestants. Later in the workroom, they learn that a designer from a previous season will join them. For their first challenge, the designers are asked to create a Spring look from the provided fabrics that will give the judges a preview of their Fashion Week collections. They have one day to complete the challenge.

Working in teams of three, the designers must create a mini-collection of fashionable looks out of items found in a movie theater or film set. They have one day to complete the challenge.

The designers must draw from their past to inspire a look they think will be relevant 20 years into the future. They have $200 and one day to complete the challenge.

The designers are each assigned a man's vintage suit which will serve as the materials and inspiration for a high fashion look. They have $100 for supplemental fabric and one day to complete the challenge.

The designers must fashion a look for Heidi Klum to wear to the Emmy Awards. They have $250 and one day to complete their garments. After a disastrous client consultation, they are given an additional $100 for another trip to Mood.

Working in pairs, the designers are tasked to create alternative wedding garments. Each team has $400 and one day to complete their looks.

For their next challenge, the designers must create an evening wear look inspired by a piece of Chopard jewelry. Further inspiration is provided by a trip to the Metropolitan Museum of Art. They have $250 and one day to complete their garments.

The designers are challenged to create an avant-garde look that must be able to withstand the water elements of Project Runway's first "rain"-way. They have $300 and two days to complete their garments.

The designers are tasked with creating modern, age-appropriate looks for a young girl based on the BeForever line of American Girl dolls. They have $150 and one day to complete the challenge.

Each designer must find their muse in Washington Square Park and convince a stranger to undergo a complete makeover. They have $200 and two days to complete the challenge.

In teams of two, the designers must bid on five storage units which contain the materials they will use to construct two outfits. They have $500 with which to bid and two days to complete the challenge. Later, they are given $100 and a trip to Mood in order to create a third look. And in a final twist, the bottom two designers get one hour to create one more outfit in order to avoid elimination.

The designers are tasked to use New York City itself as the inspiration for a street chic look. They have $200 and two days to complete their garments. Later, they are given a second challenge of redesigning a another contestant's losing look into a new outfit with a budget of $100.

Tim Gunn and the designers travel to Rome to get inspiration for their Fashion Week collection. Back in the United States, they have five weeks and $9000 to design a 10-piece collection. In the interim, each gets a special visit in their hometown from Tim Gunn. Prior to showing at Fashion Week, the judges want to see a mini-collection of three looks from each designer for critiques and feedback.

In the conclusion of the finale, the remaining contestants ready their collections for the runway. They are given an additional $300 to spend at Mood to finish their looks. Then they present their lines to industry insiders at Fashion Week.

16 new designers arrive in New York City to compete to be the 14th winner of Project Runway. At Madison Square Garden, they have three minutes to find the fabric they will use to create a look that shows who they are as a designer. They have one day to complete the challenge.

The designers are asked to create a fashionable garment using Hallmark cards for both inspiration and materials. They have one day to complete the challenge.

Working in teams of two, the designers are tasked to create one day-to-night look inspired by an exotic destination (The Caribbean, India, The Greek Isles, Venice, The South Of France, Hong Kong, and St. Petersburg). They are provided fabrics corresponding to that location and have one day to complete the challenge.

The designers must put a modern and unique twist on a classic design using New York City itself as inspiration. They have $250 and one day to complete the challenge.

Working in two teams, the designers engage in a paint-ball war to obtain fabric. Afterwards, the teams must create a six-look mini-collection. They have two days to complete their garments.

The designers have to create lingerie and a cover-up for Heidi Klum's Intimates fashion line. They have one day, and one night, to complete the challenge.

For this challenge, the designers are asked to create a modern, fashionable look using outdated technology. They have one day to complete their garments.

The designers are asked to create a garment after receiving inspiration from the Broadway musical "Finding Neverland." They have $250 and one day to complete the challenge.

The designers must create a high-fashion look to be reproduced and sold by JustFab inspired by one of five style personas (bombshell, trendsetter, girl next door, modern classic, and femme nouveau). They have $100 and one day to complete the challenge.

For their next challenge, the designers must makeover real women from the Project Runway crew. They have $200 and two days to complete the looks.

Using New York City bridges (Queensboro, Manhattan, and Brooklyn) as inspiration, the designers must use 3D printing technology to create avant-garde looks. They have $200 and two days to complete the challenge.

For the final challenge before Fashion Week, the designers are flown to Los Angeles for inspiration and to create a red-carpet gown. They have $400 and two days to complete their garments.

Each of the remaining designers is given seven weeks and $9000 to design a 10-piece collection for Fashion Week. In the interim, each gets a special visit in their hometown from Tim Gunn. Back in New York, they must choose three of their outfits, including one brand-new look, to show to the judges for critiques and feedback. They have an additional $250 to create the new look.

In the conclusion of the finale, the remaining contestants have two days to ready their collections for the runway. Then they present their lines to industry insiders at Fashion Week.

16 new designers arrive in New York with an eye to being named champion of Project Runway's 15th season. At the launch party, they are given their first challenge: use the party's spirit, aura, and vibe as inspiration (and the decorations as materials) for an outfit of their choosing. They have one day to complete their looks.

The designers must create an outfit to flatter all body types, with the winning look to be sold by JustFab.com. They have $150 and one day to complete the challenge.

The designers are asked to create a look that transitions from daylight to blacklight on the runway. They have $200 and one day to complete their garments.

The designers are challenged to create a swimsuit and an accompanying coverup. The looks are to be inspired by Heidi Klum's swim collection, and the winning outfit will be reproduced and sold as part of the collection. They are also asked to design the fabric they will use. They have $100 and one day to complete their looks.

In two teams, the designers must create a four piece mini-collection. Each team will pitch their vision to a group of investors to obtain a portion of their $3,000 investment fund. They have one day to complete the challenge.

After attending a press cocktail party at Elyx House, the designers are challenged to create a luxurious cocktail dress inspired by the venue. They have $300 and one day to complete their garments.

The designers are whisked away to Universal Studios Orlando to recharge their batteries. There, they are asked to create a streetwear look for the urban jungle, using the Skull Island: Reign Of Kong ride as inspiration. They have $200 and one day to complete the challenge.

Working in teams of three, the designers must create three-piece collections inspired by Sally Beauty colors for a SoHo pop-up shop. They have $600 per team and one day to complete the challenge.

They designers are asked to create new garments for a makeover for very special clients… their own friends and family. They have $250 and two days to complete the challenge.

Using the sights from a helicopter ride above New York City as inspiration, the designers must create an editorial look for a powerful woman to be featured in Marie Claire magazine. They have $300 and one day to complete the challenge.

The designers are tasked to create an avant-garde look using conventional fabric and unconventional metal materials. They have $150 and two days to complete the challenge.

During an inspirational trip to Austin, Texas, the designers must purchase their garment materials from a farm supply store and a music & barbeque venue. Back in New York, they must use these materials to create a high fashion look. They have $500 and two days to complete the challenge. Later, they are given an additional $200 to create a corresponding look using conventional materials.

Each of the remaining designers is given six weeks and $9000 to design a 10-piece collection for Fashion Week. In the interim, each gets a special visit in their hometown from Tim Gunn. Back in New York, they must choose three of their outfits, and create a brand logo, to show to the judges for critiques and feedback.

In the conclusion of the finale, the remaining contestants ready their collections for the runway. They are given an additional $500 to spend at Mood to finish their looks. Then they present their lines to industry insiders at Fashion Week.