The three remaining chefs must complete their final entree and whip up a gourmet dessert.

The top three chefs have made it to the finals and are one challenge away from being crowned the "MasterChef" champion; each chef has to prepare an appetizer and entrée in front of a live audience with the support of former judge Graham Elliot.

The top five chefs are faced with two separate elimination challenges in the semifinals: a baked Alaska and an intricate lobster tortellini.

The chefs must take over chef Wolfgang Puck's kitchen at Spago restaurant in Los Angeles.

The top eight chefs are paired together and must communicate on opposite sides of a wall to create identical dishes.

The top nine chefs face a Mystery Box Challenge from Season 9 winner Gerron Hurt.

The chefs are challenged to turn traditional gas station and road trip snacks into gourmet dishes.

The chefs partner with GrubHub to elevate a traditional take-out dish into a gourmet concoction.

The top 12 chefs are challenged to a tag-team cook-off.

The chefs face a "Winner's Mystery Box," curated by the Season 3 champion, Christine Ha.

More than 100 cowboys and cowgirls gather for a rodeo; the chefs divide into two teams.

One chef selects a dessert for each of their fellow competitors to bake to perfection.

The remaining chefs must cook a Southern dish inspired by flavors from countries around the world.

Gordon Ramsay transforms his infamous beef wellington into a vegan dish made out of beets.

The top 18 travel to the U.S. Coast Guard base in Los Angeles for the first team challenge.

Cocktail connoisseur Shaun O'Neale gives the chefs their first mystery box challenge.

All 20 chefs must cook something inspired by the dish that originally sent them home.

With only six aprons left, the judges give a lucky few chefs a chance to return to the kitchen.

Three chefs who competed in the junior edition return to compete for the first time as adults.

Former "Masterchef" contestants return; chefs compete in head-to-head audition battles.