The designers are split into two teams living and working separately to create mini-collections celebrating color. The competition comes to a head on the day of the runway show when they reunite hoping their team is victorious.

In their first individual challenge, the designers take on streetwear. They must use their unique personal experiences and cultures to create impactful looks containing at least three separate pieces. They have $300 and two days to complete their garments.

After the designers are sent to sleep in a haunted mansion to find inspiration for their challenge, they are tasked to create a hauntingly chic masquerade gown and mask. They have $500 and two days to complete their outfits.

Inspired by colorful blooms, the designers must create their own unique floral print from scratch and turn it into a high-end runway look. They have two days to complete the challenge.

Figure skating icons Tara Lipinski and Johnny Weir come to Project Runway needing outfits for the upcoming Winter Olympics. Working in pairs, the designers are asked to create looks that the commentators will wear in primetime, live from the Olympics. Each pair has $1200 and one day to complete the challenge.

For their next challenge, the designers must collaborate with local accessory designers to create a stylish runway look and a brand new accessory. They have $400 for fabric at Mood, an additional $250 for notions at Hai Trim & Feathers, and two days to complete the challenge.

Working in pairs, the designers must create innovative avant garde looks highlighting one of the most trendy and complicated of materials — faux fur. They have $500 and two days to complete the challenge.

The designers are asked to create a comfy chic "Couch Couture" look that is both luxurious and cozy. They have $400 and one day to complete the challenge.

For this unconventional challenge, the designers are asked to create an elegant cocktail dress using materials from an actual cocktail bar. They have two days to complete their looks.

For this challenge, each designer is paired with a star from Bravo's "Real Housewives" shows in order to create the ultimate reunion show look for them. They have $700 and two days to complete their garments.

For this assignment, the designers are each teamed with an up-and-coming hairstylist for a head-to-toe fashion collaboration. They must create a runway look inspired by their stylist's hair design. They have $500 and one day to complete the challenge.

The must create editorial looks specifically inspired by internationally renowned model Coco Rocha. They are tasked to show their artistic range by delivering not only the perfect garment, but the perfect photograph to show it off. They have $800 and two days to complete the challenge.

For the last challenge, the designers must create a look showcasing their brand's point of view in the next wave of fashion. They have $750 and two days to complete their garments.

Each of the remaining designers is given five months and $10,000 to design a 10-piece collection for Fashion Week. In the interim, each gets a special visit in their hometown from Christian Siriano. Back in New York, they present their work at Fashion Week and a winner is crowned.

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.