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 of these finalists are shining jewels, but only one will be crowned. Designer Zac Posen and fashion icon Billy Porter join the judges' panel to help with their most difficult decision yet.

In the penultimate episode, the final four designers dig deep to 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. For the final elimination of the season, famed stylist Law Roach and Steven Kolb from the CFDA guest judge to help decide which three designers will move on to create a collection for New York Fashion Week.

The era of "male peacocking" is upon us, and this week every feather is standing at full attention. The five 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 our judges to help determine whose look will be in, and whose will be "fowl."

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. From classic and trendy, basic and bold, fitted and oversized, casual and formal, elegant and edgy, to sexy and modest, these opposites will truly test the designer's limits.

Hold on to your seats, because Project Runway is about to make history! For the first time, our final seven designers are given the freedom to design whatever they want for this challenge. On the grand outdoor runway of Franklin D. Roosevelt Four Freedoms State Park, their daring "freedom looks" will be unveiled, rain or shine. It's a high-stakes test of creativity. Who will ride the winds of this newfound creative freedom to victory, and who will spiral into defeat?

Fan favorites from Bravo's Below Deck will be walking the runway in the infamous Real Client Challenge. The designers attempt to steer the ship toward winning waters while at the same time trying to keep up with the yachties' fashion requests… and livers. Real Housewife Luann de Lesseps and former Below Deck star Kate Chastain guest judge to help our panel decide who will sink or swim.

It's the halfway point and the designers are hitting the road to a denim explosion. In a Project Runway throwback challenge, they'll create all-denim looks while competing in head-to-head battles where only one designer can be safe from elimination. Uncut Gems star Julia Fox - a model, actress and It girl of fashion - and designer Willy Chavarria guest judge and weigh in on the exuberant uses of denim.

Breaking news: The jockstrap is back! The all-stars must create high-fashion looks featuring couture undergarments in this one-day challenge with everything: laughter, adrenaline, tears and a whole lot of skin. Fashion icons Sergio Hudson and Paulina Porizkova help separate the hot from the not.

What goes around comes around! The style trends of the 1990s are flooding the runways in America and abroad. In this team challenge, the designers must create chic and cohesive mini collections inspired by the '90s. For the first time, designers will take to the halls of an iconic New York City high school to showcase their styles - all while trying to impress '90s icon and guest judge Jennie Garth. The pressure is on, and these teams will be totally buggin'.

In a Project Runway first, 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. Tensions run high, and the drama comes to a head after the challenge. Icon, actor, producer and Emmy Award-winning writer Lena Waithe joins the judges panel to help decide which designer will win $10,000 and who will be out.

It's the first dreaded team challenge of the season, and the designers are heading to the ball because it's 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 a gown expert, serves as a guest judge and helps decide which partners took their gown over the top.

It's neither fun nor games as the designers must tackle the most feared challenge in the Project Runway canon: the unconventional materials challenge. The fur begins to fly as the all-stars are tasked with creating whimsical runway looks using toys from New York City's most iconic toy store, FAO Schwarz. alice + olivia's Stacey Bendet joins as the judges assess who's out versus who came to play.

For their very 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. In doing so, they must impress actor, author and activist Alicia Silverstone, who serves as the guest judge.

Fourteen of the most beloved 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. The fun and games come to an end, however, when famed judge Nina Garcia and mentor Christian Siriano arrive to give them an unwanted history lesson and their first challenge of the season.