Worlds collide when Irish firecracker Chef Maeve Rochford squares off against Indian cuisine enthusiast Chef Navjot Arora. It's up to two of Food Network's finest, Alex Guarnaschelli and Damaris Phillips, to decide who will confront Bobby Flay.

One shot at Bobby Flay wasn't enough for Italian chef Pasquale Cozzolino and Canada's infamous Ivana Raca, who are back for more. Iron Chefs Alex Guarnaschelli and Stephanie Izard give the play-by-play and dole out their final shot at redemption.