Florida chef Lindsay Autry tries to stuff Chicago chef Matt Kerney over ingredients from America's favorite holiday. The winner faces Iron Chef Bobby Flay in a tense showdown judged by John Besh and Antonia Lofaso.

San Francisco chef Hiroo Nagamura takes on Los Angeles chef David Schlosser. The chef with the best first-round dish sizes up Iron Chef Michael Symon in a battle featuring a perfect protein.

Boston rivals Chef Matt Jennings and Chef Kristen Kish settle an old grudge in a head-to-head match over a cured classic. Roy Choi and Antonia Lofaso judge as the winning chef faces Iron Chef Jose Garces, who comes out swinging over an Italian favorite.

New York chef Leah Cohen takes on rival Boston chef Marcellus Coleman, and the winner cases Iron Chef Stephanie Izard in Kitchen Stadium. The guest judges are Lesley Bargar Suter and Simon Majumdar.

The holidays hit Kitchen Stadium as Los Angeles chef Ted Hopson faces Detroit chef Kate Williams in a sweet showdown. The winning chef goes up against Iron Chef Alex Guarnaschelli in a classic holiday battle judged by Paul Bartolotta and Nancy Silverton.

New Orleans chef Brian Landry cooks off against Chicago chef Ryan McCasky using a super decadent ingredient. The winner gets a shot against Iron Chef Stephanie Izard in a deep-sea duel judged by Susan Feniger and Jonathan Waxman.

Miami chef Timon Balloo battles Philadelphia's own Chef Nicholas Elmi over a bar food staple. Then the winning chef goes up against Iron Chef Alex Guarnaschelli in a giant seafood battle, and judges Anya Fernald and Ludo Lefebvre pick the winner.

Portland's own Chef Gregory Gourdet takes on San Diego chef Brian Redzikowski over a challenging fruit. Then the winner readies for a fowl battle with Iron Chef Michael Symon that's judged by Judy Joo and Simon Majumdar.

Midwestern masters Chef Tory Miller and Chef Jenner Tomaska face off using one of the most versatile vegetables around. Then the winner takes on Iron Chef Bobby Flay in an all-American meat battle judged by John Besh and Giada De Laurentiis.