In the Season 12 opener, the designers fly high when they arrive on an airport runway and then must create looks from parachute materials.

Precious jewels inspire looks. Costume designer Eric Daman ("Gossip Girl") is the guest judge.

The clothiers are directed to Coney Island for an unconventional-materials challenge that involves playing carnival games. Kelly Osbourne is the guest judge.

Bow ties are the centerpiece when the designers craft looks. Guest judge: Jesse Tyler Ferguson.

Items from varied retailers inspire lavish fashion collections crafted by the clothiers, who are divided into small teams. Designer June Ambrose is the guest judge.

The designers have a chance to wind down and go on an overnight "glamping" trip, with the surroundings from the campsite serving as inspiration for the designer's next challenge. But could one designer's lack of love for the outdoors derail him? Actress Allison Williams of Girls serves as guest judge.

Shoes inspire garments. Included: a shocking elimination. The guest judges are Kaley Cuoco ("The Big Bang Theory") and style editor Anne Fulenwider.

The clothiers get sporty by competing in field-day events. Then, they fashion high-end performance wear for host Heidi Klum's line. Michael Kors is the guest judge.

The remaining designers fashion spirited looks for modern Southern women. The guest judges are Stacy Keibler and John Thomas.

The designers are inspired by the show's biggest fans, who receive makeovers and garments crafted specifically for them. Designer Erin Fetherston is the guest judge.

Young, innovative folks inspire the designers. Guest judge: Peter Som.

The designers are on pins and needles when they're affected by a previous double elimination. In a fashion test, they must take a risk and spin out an avant-garde look. Actress Emmy Rossum is the guest judge.

In Part 1 of the two-part Season 12 finale, the remaining designers journey home to work on their lines, with Timballoonn paying them visits and offering style counsel.

In the Season 12 finale, the still-standing clothiers showcase their lines at Lincoln Center in New York City, after which the winner is revealed. Kerry Washington is the guest judge.

The Season 4 designers reconvene for a candid reunion edition.