Top chefs arrive in Los Angeles in the opener of Season 13, which will feature the foodies competing in six cities across California. Here, they try to wow food critics and reporters under the Hollywood sign.

The foodies must open distinct pop-up restaurants in various Los Angeles neighborhoods. Appearing: chef and pop-up impresario Ludo Lefebvre.

The chefs visit Santa Barbara, where they pick up fresh sea urchin for use in a challenge. Later, a surf-and-turf war erupts.

Palm Springs, Cal., is the destination for culinary competition. Here, the chefs use solar-powered stoves in the desert, then prepare dishes on a famed golf course. Appearing: John Besh and Mary Sue Milliken.

Top dishes for dates are served up by the chefs in Palm Springs, Cal. Later, they cater a wedding for 25 gay couples. Appearing: model Chrissy Teigen and foodie Art Smith.

The chefs head to San Diego and cook up high-end fish tacos. Then, they prepare dishes to complement handcrafted microbrews. Appearing: chef Javier Plascenia.

The chefs return to Los Angeles to celebrate the series' 10th anniversary. A restrictive challenge limits them to 10 ingredients, then they walk down memory lane by creating a dish that represents who they were 10 years ago. Appearing: Michael Voltaggio; Antonia Lofaso; Mei Lin Hua; and Nancy Silverton.

The chefs participate in a plating challenge by preparing visually appealing dishes using only snack food. Then, they cook for diners at a black-tie, finger-food event called Beefsteak. Appearing: Colin Hanks; Max Silvestri; Matt Selman; Jacques La Merde; and Neal Fraser.

The iconic "Restaurant Wars" challenge ensues, with the chefs opening eateries for both lunch and dinner services.

The "Restaurant Wars" challenge progresses with the chefs serving up dinner, during which everything from concept and food to service and consistency will be appraised.

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A showdown includes woks when the chefs visit San Francisco's Chinatown. Later, they must

San Francisco is the setting when the competing foodies cook for chef Traci Des Jardins. Later, they try to wow master chef Hubert Keller, the judges and San Francisco culinary elite with cuisine inspired by the restaurant Fleur de Lys.

The top chef is crowned in the Season 13 finale. Before that, the final two culinarians must prepare the meal of their lives for their mentors and fallen colleagues. Appearing: Emeril Lagasse; Dominique Crenn; Jonathan Benno; Hubert Keller; Charlie Palmer; and Jean-Georges Vongerichten.