Bobby Flay invites icon Marcus Samuelsson to the Triple Threat kitchen to flex his legendary cooking skills. From Sweden to Ethiopia, Marcus throws his global tricks at the Titans before famed restaurateur Ken Oringer decides who will triumph.

Chef Shirley Chung has a bone to pick with Bobby Flay's Titans -- especially her former roommate, Brooke Williamson. While Shirley's intimate knowledge of the Titans could lead to their downfall, Iron Chef Geoffrey Zakarian's judging keeps everyone on their toes.

Chef Kevin Lee brings his Southern and Korean cuisine to challenge Bobby Flay's Titans, and for Brooke Williamson, it's an epic rematch! After losing to Kevin during Tournament of Champions, Brooke is ready to defend her reputation and the $25,000 while meeting judge Lucinda Scala Quinn's high expectations.

Chef Silvia Barban has one thing on her mind, and that's sweet revenge. Brooke Williamson has beaten Silvia in the past, and it's still on her mind! If she can handle the hurdles of Bobby Flay's Triple Threat kitchen, she just may taste it. Icon and guest judge Andrew Zimmern turns the pressure up with his sophisticated palate.

Bobby Flay challenges the Titans with Chef Ayaka Guido, and as the right hand to Chef Jean George Vongerichten, she comes prepared with her Michelin training. Then, the Titans are shocked by the return of Chef Frank Prisinzano and his bold opinions.

Up-and-comer Chef Kaleena Bliss is on a competition winning streak! She's beaten Bobby Flay, and now he's invited her to try her luck at the Titans, while Bobby's protégé, Chef Hillary Sterling, dishes out tough critiques.

Chef Katsuji Tanabe's bravado is as big as his desire to take down Bobby Flay's Titans! Calling himself the "bridesmaid" of cooking competitions, he is desperate for his first big win, and it's up to judge Judy Joo to decide if it's his turn for victory

Bobby Flay invites rising star Chef Ashleigh Shanti to face off against the Titans. She keeps the Titans guessing with her unique mix of Appalachian and Southern cooking, while leader in molecular gastronomy, Chef Wylie Dufresne, doles out his discerning criticism

Bobby Flay's Titans think their ready to go up against Alex Guarnaschelli's protege, Chef Michael Jenkins. Michael has judged each of the Titans before and uses that knowledge to his advantage, while famed judge Amanda Freitag does not make this easy for anyone.