Season four begins with 15 hopefuls playing to win a job as a chef along side Gordon Ramsey in his L.A. restaurant

The season's first challenge finds the contestants slicing halibut into thin 6 ounce fillets. One member of each team must serve as a maitre d' during the dining service, and one contestant will be eliminated at the shows conclusion

Live chickens awaken the contestants, followed by a challenge of plucking their morning "wake up callers" and creating a family styled dinner out of them

The two teams must compete to see who can prepare the most pasta for the evening dinner service, with a trip to Santa Monica for the winners. One contestant winds up in the hospital after an accident in the kitchen

The chefs receive their first challenge, create a gourmet pizza. The winning team will head to Santa Barbara for a gourmet meal, while the losers will be sentenced to taking pizza orders during dinner service and then deliver them, at which one contestant is rushed to the hospital after suffering an accident

A fantasy birthday celebration is the order of the day for the remaining aspiring chefs. The chefs cook for a sweet 16 party, but the mood in Hell's Kitchen is anything but sweet. One chef must face Ramsay's wrath when a diner sends back undercooked meat

The nine remaining chefs are challenged to compete in a taste test, with the winner receiving a day at the spa and the losers sent to clean the dorm. Once the dinner ervice is completed, Chef Ramsay must decide on which tastes worse, raw food or a lack or communication within the kitchen

The group dynamics are drastically changed when Chef Ramsey asks for a volunteer to switch sides. This week's challenge consists of creating 4 new dishes from 20 ingredients. One chef requires a medic after injuring himself during the challenge

A relay race puts both teams to the test, with a sunny reward on the line. To up the stakes, the losing team faces a top-to-bottom complete restaurant cleaning. At the evening's dinner service, the teams are required to serve items from menus that they each created

The two teams are combined to create a single team. Each chef is asked to create a dish designed specifically to please Chef Ramsay centered around a single main ingredient. The new unified team struggles to complete its first service together

The aspiring chefs teach the art of gourmet meat preparation to housewives, with the winner of the challenge given one-on-one time with chefs Mark Peel and Ben Ford. The chefs later struggle to complete their most complicated dinner service yet

Dinner service reaches a new low when one chef burns Chef Ramsay's hand. A group of special guests pays a visit to Hell's Kitchen. The remaining chefs face what is said to be their toughest challenge yet

The pressure is at an absolute boiling point as the three chefs remaining try their hardest to reach the final two. Chef Ramsay brings in a group of surprise guests whom serve each the aspiring chefs a breakfast they must then attempt to recreate. Each of the remaining chefs is given a chance at running the hot plate, but must face tests designed by Chef Ramsay

The final two chefs must prepare their signature dishes in New York City. They are then asked to create their own restaurant as a test of their skill. Featuring a special guest appearance by Whoopi Goldberg

The two finalists are faced with the ultimate test at the final dinner service when they must work together with previously eliminated chefs; the winner of the fourth season of the program is determined