Project Runway

20 designers must go in front of Heidi, Michael, Nina, and Tim to make a case for why they deserve one of the 16 coveted spots this season. Actress Christina Ricci guest judges.

This year's Unconventional Materials Challenge lives up to its name when the designers arrive at a pet store. Stacey Bendet (Alice + Olivia) guest judges.

The designers are broken into teams of two to create larger-than-life designs for stilt walkers! In the first-ever outdoor challenge, the runway show is held for all to see.

The designers realize they are in for a challenge when Nina Garcia is their client! Editor in Chief of Marie Claire magazine Joanna Coles, and actress Kerry Washington guest judge.

The designers are instructed to put on New Balance clothing sets and meet Heidi and Tim at a track and field center to hear about the latest challenge. Erin Wasson guest judges.

The designers are partnered with kids from Harlem School of the Arts to create a piece of art that will serve as the inspiration for their next garment. Kenneth Cole guest judges.

To the delight of the designers, the HP Create Your Own Fabric Challenge is back with a twist! Designer Rachel Roy and actress Rose Byrne guest judge.

When Heidi introduces 9 men on the runway, the designers are stunned. But they breathe a sigh of relief when Tim reveals that they will be designing for their significant others!

The designers meet their new client: an up-and-coming band. Broken into two teams of four, the designers are charged with creating looks that will establish them as image-makers.

For the Piperlime.com Challenge, the designers are going back in time. The 70's will serve as inspiration for this week's challenge.

Exotic birds serve as the inspiration for this week's L'Oreal Challenge. The designers are paired up and then asked to compete against each other. Francisco Costa guest judges.

The judges challenge the designers to each create a mini-collection. Actress Zoe Saldana guest judges.

Things get off to a bumpy start for the final designers as they frantically get ready to show at Fashion Week. Fashion designer L'Wren Scott guest judges at the final judging.

In this 'Project Runway' Season 9 wrap-up special, beloved mentor Tim Gunn reveals some of the show's biggest secrets and gives his unedited thoughts.