20 new designers audition in front of Heidi, Tim, Michael, and Nina. The judges then pare the group down to the 16 contestants of season 9. The next morning, the designers are given the challenge of transforming a bed sheet and the pajamas they are wearing into an outfit of their choice. They have one day to complete their garments.

The designers are tasked to create an outfit using materials found at a pet supply store. They have $300 and one day to complete their looks.

The designers are paired up into teams of two and must create outfits for professional stilt-walkers. They have $500 and one day to complete their garments.

The designers must create a look for Nina Garcia that she can wear to work in the day and to an industry event at night. They have $200 and one day to complete the challenge.

After a race to determine team leaders, the designers are split into groups of three. The challenge is to create three looks to wear with sneakers from Heidi Klum's new line for New Balance. The winning look will be sold as part of this collection on Amazon. They have $300 and one day to complete their outfits.

The designers are each paired to a young art student with whom they must create a painting. The challenge is to design an avant-garde look using that art piece as their inspiration. They have $300 and two days to complete their looks.

The designers are split into two opposing teams to create a five-look mini-collection. They must also design their own fabrics and create a multimedia fashion show to showcase their looks. They have two days to create their garments.

The designers must create a new look for their client's significant other. They have $200 and two days to complete their outfits.

Split into two teams, the designers are asked to create outfits for up-and-coming band The Sheepdogs. They have $300 and two days to complete their looks.

The designers must create an outfit comprised of separates and inspired by the 1970s. Later, they are asked to create a single-piece companion look to their outfit. They have $150 and two days to finish their garments.

After being paired up, the designers must create a high-fashion runway look inspired by birds (an owl, a raven, a cockatoo, and an Amazon parrot). However, the pairing are not meant to be teams but will instead be competing head-to-head. Later, they are asked to create a second complimentary outfit. They have $600 and two days to complete the challenge.

The designers must create a three-piece mini-collection showcasing their range, using New York's Governor's Island as inspiration. They have $500 and two days to complete the challenge.

Each of the remaining designers is given five 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 looks to show as part of a mini-collection in order to secure their spot in the final runway show.

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.

Fourteen designers from across 19 seasons of "Project Runway" descend on New York once again to vie for the coveted title that has eluded them all. The iconic designers meet one another and catch up on their successes after leaving the Runway.

For their first challenge of the competition, the designers have to rewrite history by reinventing the look that either got them eliminated or gave them the lowest score in their past, and turn it into a high-fashion moment for the runways of today.

The all-stars are tasked with creating a runway look using toys for FAO Schwarz.

For Coronation Day, the designers are blindly paired together and tasked with creating couture modern gowns that exemplify royalty; Wes Gordon, the Creative Director of Carolina Herrera and gown expert, serves as a guest judge.

The designers are forced to share a single bolt of fabric to demonstrate how they can stand out from one another and prove why they're the top designer; actor, producer and Emmy Award-winning writer Lena Waithe joins as guest judge.

The designers must create chic and cohesive mini-collections inspired by the '90s; designers take to the halls of a New York City high school to showcase their styles, all while trying to impress guest judge Jennie Garth.

The jockstrap is back; the all-stars must create high-fashion looks featuring couture undergarments in this one-day challenge; fashion icons Sergio Hudson and Paulina Porizkova help separate the hot from the not.

It’s the halfway point and the designers are hitting the road to a denim explosion; in a throwback challenge, they’ll create all denim looks while competing in head-to-head battles where only one designer can be safe from elimination.

Fan favorites from the cast of "Below Deck" walk the runway in the infamous Real Client Challenge; Real Housewife Luann de Lesseps and former Below Decker Kate Chastain guest judge to help the panel decide who will sink or swim.

For the first time, the final seven designers are given the freedom to design whatever they want; on the grand outdoor runway of Franklin D. Roosevelt Four Freedoms State Park, their daring "freedom looks" will be unveiled, rain or shine.

The designers are faced with one of their hardest tasks yet: a one-day challenge that forces them to create one runway look that showcases two opposing fashion styles.

The remaining all-stars must create show-stopping red-carpet menswear looks that fully embrace the trend toward the flamboyant; Emmy Award-winning actor Colman Domingo joins the judges to help determine whose look will be in and whose will be "fowl."

The final four designers push themselves higher than ever for the Avant-Garde Challenge, inspired by the breathtaking views of Manhattan from the 91st floor of Summit One Vanderbilt; famed stylist Law Roach and Steven Kolb from the CFDA guest judge.

In a "Project Runway" first, three all-star finalists race against the clock to complete eight finale-worthy looks in just eight days; with the pressure mounting, all these finalists are shining jewels, but only one will be crowned.