In this international competition, Iron Chef Alex Guarnaschelli faces off against Iron Chef UK Judy Joo. The judges are Jeffrey Steingarten, Karine Bakhoum, and Tory Belleci.

Iron Chef Bobby Flay faces off against Challenger Viet Pham. Chef Pham is co-owner of Forage, an award-winning restaurant in Salt Lake City. Judges are Simon Majumdar, Donatella Arpaia and Ben Sargent.

Challenger Michael Chiarello seeks redemption in his face off against Iron Chef Geoffrey Zakarian in this grudge match. Chef Chiarello lost to Iron Chef Zakarian in The Next Iron Chef: All-Stars. Judges are Neil Patrick Harris, Donatella Arpaia and David Burtka.

In this international competition, Iron Chef America Marc Forgione faces off against Iron Chef Thailand Ian Kittichai. When Chef Kittichai was last in Kitchen Stadium, he lost to Iron Chef Batali in Battle Lentils. Judges are Judy Joo, Martin Yan and Eden Grinshpan.

Iron Chef Michael Symon faces off against Challenger Chef Celina Tio. Chef Tio participated in the third season of The Next Iron Chef, for which Iron Chef Symon was a judge. Judges are Anthony Anderson, Karine Bakhoum and Michael Ruhlman.

Iron Chef Masaharu Morimoto faces off against Challenger Homaro Cantu. When Chef Cantu and Iron Chef Morimoto last met in Kitchen Stadium, Chef Cantu won by a single point, and there's a grudge to settle. Judges are Donatella Arpaia, David Rocco, Kaley Cuoco.

Iron Chef Bobby Flay faces off against Challenger Micah Wexler. Chef Wexler is a James Beard award semi-finalist for Rising Star Chef of the Year 2012. Judges are Anthony Anderson, Karine Bakhoum and Michael Ruhlman.

Iron Chef Bobby Flay faces off against Challenger Hong Thaimee. Chef Thaimee is Executive Chef at Ngam, a Thai restaurant in New York City. Judges are Troy Johnson, Ree Drummond and Josh Ozersky.

Iron Chef Jose Garces faces off against challenger Russell Jackson, a.k.a. "The Dissident Chef." Judges for this battle are John T. Edge, Anya Fernald and Jose Andres.

In this first round of the Iron Chef America Tournament of Champions, Iron Chef Geoffrey Zakarian faces off against Iron Chef Alex Guarnaschelli. The winner of this single elimination contest goes on to face Iron Chef Symon in round two. The judges are G. Garvin, Trisha Yearwood and Simon Majumdar.

Iron Chef Michael Symon faces off against Challenger Chef Celina Tio. Chef Tio participated in the third season of The Next Iron Chef, for which Iron Chef Symon was a judge. Judges are Anthony Anderson, Karine Bakhoum and Michael Ruhlman.

In this first round of the Iron Chef America Tournament of Champions, Iron Chefs Jose Garces and Marc Forgione face off in Kitchen Stadium. The winner of this battle will meet Iron Chef Masaharu Morimoto in Round Two. Adam Fleischman, Donatella Arpaia and Simon Majumdar are the judges.

In this second round of the Tournament of Champions, Iron Chef winner from round one, Geoffrey Zakarian, battles Iron Chef Michael Symon. The judges for this battle are Ree Drummond, Aaron Sanchez and Trisha Yearwood.

Another round one winner, Iron Chef Jose Garces, battles Iron Chef Masaharu Morimoto in round two. The Judges for this round are G. Garvin, Candice Kumai and Jeffrey Steingarten.

In this final round of the Iron Chef America Tournament of Champions, the top two finalists battle in Kitchen Stadium. Judges Donatella Arpaia, Bobby Flay and Karine Bakhoum will crown one Grand Champion.

Iron Chef Bobby Flay faces off against challenger Michael Voltaggio. Chef Voltaggio is the Owner/Executive chef of ink in Los Angeles. Mario Rizzotti, Karine Bakhoum and Hal Rubenstein are the judges for this battle.

ron Chef Alex Guarnaschelli faces off against Challenger Robert Clark. Chef Clark is the owner of The Fish Counter in Vancouver, Canada. The judges for this battle are Donatella Arpaia, Art Smith and Elettra Wiedemann.

Iron Chef Geoffrey Zakarian faces off against challenger Dale Talde, the Executive Chef at Talde; the judges for this battle are Anya Fernald, Martin Yan and Judy Joo.

Iron Chef Jose Garces faces off against challenger Jamie Bissonnette. Chef Bissonnette; Judy Joo, John T. Edge and Karine Bakhoum are the judges.

Iron Chef Alex Guarnaschelli faces off against challenger Stephen Kalt; judges are Karine Bakhoum, Art Smith and Elettra Wiedemann.

Iron Chef Marc Forgione plays the role of sous chef to his father, Larry Forgione, as the two take on culinary legend and close family friend chef Jonathan Waxman.