Iron Chef Cat Cora takes on Iron Chef Michael Symon in a heated holiday battle.

Iron Chefs Flay and Symon take on Iron Chefs Morimoto and Cora in a Thanksgiving showdown.

Chris Cosentino squares off against Iron Chef Michael Symon.

Oprah's personal chef, Art Smith, challenges Iron Chef Cat Cora.

NYC chef Daniel Angerer challenges Iron Chef Bobby Flay.

Chef David Adjey challenges Iron Chef Michael Symon.

Chef Floyd Cardoz challenges Iron Chef Bobby Flay.

The Chairman challenges chef Jose Garces and Iron Chef Bobby Flay to a special "Brain Freeze Battle."

Chef Tyson Wong Ophaso, from Red Pearl Kitchen in Los Angeles, challenges Iron Chef Morimoto.