In the first Mystery Box challenge of the season, the top 11 duos enter the kitchen to find two boxes at their station - one filled with sweet ingredients, the other with spicy ones.

The Top 10 duos, in a stunning pier-side setting, are tasked with feeding over 100 local fishermen and women; the worst performing team faces the dreaded pressure test.

In this week's mystery box challenge, the Top 7 must create an Asian-inspired dish that centers around one of the most prominent utensils in culinary history - chopsticks! The winner gets a huge advantage moving forward, leaving the remaining home cooks to compete in a pasta-themed elimination challenge.

The top 16 cooks fight for immunity in a challenge to create an authentic three-course Italian meal.

With two eliminations on the line, the pressure is on for the losing team in the tag-team challenge.

The home cooks split into two teams to prepare 45 meals for Gerron Hurt's wedding.

The cooks have 60 minutes to present their best beef dish to the judges.

The top 13 must break down Alaskan king crabs; the contestants cook for chef Masaharu Morimoto.

Contestants must create a sweet dish and a savory dish from a surprise ingredient; an elimination.

In under 75 minutes, the contestants must replicate a cake for the judges.

The cooks are introduced to Grant Achatz, who shows the them the art of unconventional plating.

The cooks produce a dish with their own version of homemade sausage in less than an hour.

TV host Daphne Oz reveals the contents of the week's mystery box challenge to the top eight, leaving the contestants 60 minutes to create an elevated one-pan dish using the cast iron pan.

Loved ones of the top seven watch the contestants make their favorite family-inspired dishes.

The top six chefs travel to London and must feed 36 diners; two chefs face elimination.

Returning from their home towns after a whirlwind trip across the pond, the Top Three home cooks are ready to tackle their final dishes in hopes of crossing the finish line and coming out on top!

The finalists must execute a superior three-course meal for the judges. Only one will win the title of MASTERCHEF, an opportunity to learn hands-on in each of the judges’ restaurants and the $250,000 grand prize.

Season 12 of MASTERCHEF is all about redemption, when All-Star competitors from the last 11 seasons return to the show to see if they have learned from their past mistakes. For the first time ever, MASTERCHEF is re-opening the door to some of the most memorable and talented cooks in the competition's history, including two MASTERCHEF Junior Edition cooks now competing as adults! 40 chefs get called back to audition, but only 20 will claim a coveted white apron. The returning chefs compete in groups of four in head-to-head audition battles. In each round, the two chefs that create the most impressive comeback dish will secure a spot this season.

The 16 remaining chefs are challenged to cook a Southern cuisine dish inspired by complex flavors from countries around the world. Award-winning chef and Southern fusion restaurateur Tiffany Derry also stops by the kitchen.

The Top 12 chefs are challenged to a tag-team cook-off, as they approach the halfway point in the competition. They're tasked with choosing a partner and cooking three menu items from Gordon Ramsay's Michelin-starred restaurants, taking turns against the clock.

The four generations are split into teams as they take on their first field challenge - cooking a healthy and hearty meal for professional soccer players. The chefs must work together to cook over 100 portions of food and the pressure intensifies as the generations collide. Both teams compete head-to-head in hopes of scoring a win and earning the safety from elimination.

The top six home chefs get a break from the MasterChef kitchen to take over Ramsay's Rooftop, an exclusive pop-up restaurant open for one night only in the heart of Downtown Los Angeles.

The top five chefs face two challenges involving a mystery box and replicating a restaurant quality dish.

Home cooks serve up their signature dishes to the judges; guest judge Emeril Lagasse.

The top 17 home chef's return to the kitchen for their second mystery box challenge, but this time with a twist -- one region begins the challenge 10 minutes behind the rest.