The fourth season of MasterChef Thailand is the Thai version of the competitive reality TV series MasterChef which premiered on Channel 7 on February 21, 2021. The original presenters have returned, consists of the host Piyathida Mittiraroch, and the judges , , and Pongtawat Chalermkittichai. Due to the ongoing COVID-19 pandemic, strict rules about social distancing and hygienes are applied throughout the entirety of this season.

This season's grand finale is won by Pornchanan "Lee" Pattanapanyasat, and both Nuttawat "Ter" Kasamvilas and Paniti "Jimmy" Tangsatanan finished as the runner-ups.

Contestants Top 16 Contestant Age Hometown Occupation Status Number of Wins Pornchanan Pattanapanyasat (Lee) 28 Samut Prakan Online dessert shop 6 Nuttawat Kasamvilas (Ter) 19 Bangkok Student 5 Paniti Tangsatanan (Jimmy) 23 Bangkok Self-employed 3 Tanaporn Teeranavanich (Gamyui) 28 Phetchaburi Air hostess 3 Chatchawan Boonthong (Billy) 27 Kanchanaburi Self-employed 5 Pakpong Sangvisase (Beam) 30 Rayong Veterinarian 3 Poohrin Pattanawiriyavanich (Pooh) 23 Bangkok Student 4 Jidnaray Boonsangwat (Tanwa) 22 Phitsanulok Student 0 Patcharamon Charoenchai (Fah) 20 Bangkok Student 2 Thanawat Choopraserdchok (Save) 28 Bangkok Dessert cookery teacher 2 Anan Rakdee (Aib) 28 Nakhon Si Thammarat Research assistant 2 Nutthanun Chutimajirattikorn (Nun) 27 Bangkok Air hostess 0 Vechakorn Charoenpanyawut (Sun) 29 Bangkok Printing business 0 Thanvalai Lertrattapong (Nat) 24 Songkhla Unemployed 0 Pathamaporn Anuwanawong (View) 25 Bangkok Chinese teacher 0 Issala Tanadumrongsak (Rean) 27 Bangkok Unemployed 0

Elimination table Place Contestant Episode45 67 89 101112131415/16 16/17 1 Lee IN IMM IN IN IN IN IN HIGH WIN WIN IMM WIN IMM IN INWIN IN WIN IMM 2 Ter IN IMM WIN IMM IN LOW WIN IN IN IN IN IN IN WIN IMM IN IN IN WIN IMM Jimmy LOW IN IN WIN HIGH IN LOW IN WIN HIGH LOW IN IN IN IN IN IN IN IN WIN 4 Gamyui IN IMM HIGH IN WIN IN HIGH IN IN WIN HIGH IN IN IN WIN IMM IN IN IN INELIM 5 Billy LOW IN WIN WIN IN IN WIN WIN IMM WIN IN IN IN IN IN LOW INELIM 6 Beam IN IMM IN LOW WIN IN IN WIN HIGH IN WIN IN IN HIGH IN INELIM 7 Pooh IN IMM IN IN WIN IN IN WIN IN IN WIN IN WIN HIGHELIM8 Tanwa LOW IN IMM LOW IN IN HIGH LOW LOW INELIM Fah LOW IN IMM WIN IN IN WIN IN IN LOW INELIM 10 Save IN IMM HIGH IMM WIN WIN IMM IN LOWELIM 11 Aib IN IMM IN IN LOW IN WIN WIN INELIM 12 Nun IN IMM IN LOW IN INELIM 13 Sun LOW IN IMM HIGHELIM 14 Nat IN IMM IN HIGHELIM 15 View IN IMM INELIM 16 Rean LOWELIM

(WINNER) This cook won the competition. (RUNNER-UP) This cook finished in second place. (WIN) The cook won an individual challenge (Mystery box challenge or Invention Test). (WIN) The cook was on the winning team in the "Team challenge" and directly advanced to the next round. (HIGH) The cook was one of the top entries in an individual challenge, but didn't win. (IN) The cook wasn't selected as a top or bottom entry in an individual challenge. (IN) The cook wasn't selected as a top or bottom entry in a team challenge. (IMM) The cook didn't have to compete in that round of the competition and was safe from elimination. (PT) The cook was on the losing team in the Team challenge and competed in the Pressure test. (PT) The cook didn't have to compete in the Team challenge but competed in the Pressure test. (NPT) The cook was on the losing team in the Team challenge, did not compete in the Pressure test, and advanced. (RET) The cook won the Reinstation Challenge and returned to the competition. (LOW) The cook was one of the bottom entries in an individual challenge, but wasn't the last person to advance. (LOW) The cook was one of the bottom entries in an individual challenge, and the last person to advance. (LOW) The cook was one of the bottom entries in the Team challenge and they were the only person from their team to advance. (LOW) The cook was one of the bottom entries in the Team challenge, and their team was last to advance. (ELIM) The cook was eliminated from MasterChef.

Episodes Episode 1 Original airdate: 21 February 2021

Gamyui, Save, Tanwa, and View won their aprons.

Episode 2 Original airdate: 28 February 2021

Billy, Pooh, Jimmy, Ter, Sun, Nat, and Rean won their aprons.

Episode 3 Original airdate: 7 March 2021

Fah and Nun won their aprons. The judges decided to let 5 contestants to have a second chance at winning the aprons. Aib, Beam, and Lee earn the final places in the Top 16.

Episode 4 Original airdate: 14 March 2021

Team Challenge 1: Main ingredient: Whole cow Location: The edge of Dong Phaya Yen area. Groups Members 1 Gamyui and Pooh 2 Lee and View 3 Nat and Ter 4 Tanwa and Sun 5 Fah and Billy 6 Nun and Aib 7 Save and Beam 8 Rean and Jimmy Time: 60 minutes Bottom three groups: Fah and Billy (5), Tanwa and Sun (4), Rean and Jimmy (8) Pressure Test 1: Thai crispy pork with rice, sauce, and soft-boiled egg Time: 45 minutes Eliminated: Rean

Episode 5 Original airdate: 21 March 2021 Mystery Box Challenge 1: Main ingredient: Rare International Ingredients Time: 60 minutes (1 hour) Three best dishes: Gamyui, Ter and Save Winner: Ter

As winner of the Mystery Box Challenge, Ter is safe and get to save 4 contestants for elimination. He chose Save, Tanwa, Sun, and Fah.

Invention Test 1: Main dishes: Chickpea Samosa and/or Chickpea Ravioli

Saved: Ter, Save, Tanwa, Sun, and Fah Time: 60 minutes (1 hour) Bottom three: Nun, View and Beam Eliminated: View

Episode 6 Original airdate: 28 March 2021 Team Challenge 2: Team captain Members Nat Ter, Aib, Lee, Sun, Tanwa, and NunBilly Beam, Jimmy, Pooh, Fah, Gamyui, and Save

Both teams need to make and serve pies each in 1 hour.

The blue team won by serving 100 pies before the service time was over. Winners: Blue Team

Pressure Test 2: Tomahawk steak with biscuits and gravy

Time: 60 minutes Bottom three: Aib, Nat, and Tanwa Eliminated: Nat

Episode 7 Original airdate: 4 April 2021

Mystery Box Challenge 2: The contestants must make a desert with high quality ingredients such as, honey, young coconut, cinnamon, ginger and paprika. Time: 60 minutes (1 hour) Three best dishes: Save, Sun, and Jimmy Winner: Save

As winner of the Mystery Box Challenge, Save is safe.

Skills Test 1: The contestants must carve a whole salmon as close to perfection according to Chef Ian's demo. Time: 30 minutes Aib and Gamyui won the Skills Test but Gamyui carve the salmon close to perfection. Winners: Aib and Gamyui Bottom 2: Ter and Sun Eliminated: Sun

Episode 8 Original airdate: 11 April 2021 Team Challenge 3: Team captain Members Aib Pooh, Beam, Fah, Billy and TerGamyui Save, Lee, Jimmy, Nun, and Tanwa

Both teams need to make and serve a Tom Yum Sea 2 hours in cooking and 1 hour in serving.

The red team won by a score of 75 to the blue team's 25. Winners: Red Team

Pressure Test 2: Chocolate lava cake with green tea ice cream and crumbling almonds

Time: 40 minutes Bottom 2: Jimmy and Nun Eliminated: Nun

Episode 9 Original airdate: 18 April 2021

Mystery Box Challenge 3: Main Ingredient: Native Lethocerus Indicus

Time: 60 min. (1 hour) Three best dishes: Beam, Tanwa and Billy Winner: Billy

Invention Test 2: Main ingredients, each box in different amount

For this week's invention test, there are three boxes. Each box has different amount of main ingredients. There are three boxes of ingredients including:

-Box 1: Lamb Ribs

-Box 2: Lamb Ribs, Bananas and Pickled Fish

-Box 3: Lamb Ribs, Bananas, Pickled Fish, Yellow Plum, Mackerel, Giant Catfish Spawn and Chocolate

Since Billy was the winner of the Mystery Box Challenge, he gets to choose a box for each contestants. Box # Contestants #1 (1 ingredient) Gamyui, Lee and Fah #2 (3 ingredients) Pooh, Ter and Beam #3 (7 ingredients) Tanwa, Aib, Save and Jimmy Time: 60 min. (1 hour)

After the judges have tasted all ten dishes, Jimmy did the best, Lee in second. Both of them will be placed as team captains for next week. Winner: Jimmy Bottom three: Tanwa, Aib and Save Eliminated: Aib

Episode 10 Original airdate: 25 April 2021 Team Challenge 4: Team captain Members Jimmy Save, Ter, Tanwa, and FahLee Billy, Beam, Pooh, and Gamyui

Both teams need to prepare appetizers, soup, main course, and dessert and serve in Chinese tables theme at the wedding of Ball, a contestant from MasterChef Thailand Season 3, for 160 guests in 3 hours. Also in each course need to serve every 15 minutes.

The blue team won by a score of 94 to the red team's 86. Winners: Blue Team

Pressure Test 3: Egg Benedict with only 5 eggs

Time: 25 minutes Bottom 3: Save, Fah and Tanwa Eliminated: Save

Episode 11 Original airdate: 16 May 2021

Mystery Box Challenge 4: The contestants must make a dish with high quality ingredients such as, otoro fish, wagyu beef, fogras, taraba crab legs, truffles, Japanese bunching onions, asparaguses, strawberries, corns, gold leafs and caviar. Time: 30 minutes Challenge Winners: Lee, Jimmy and Gamyui Winner: Lee As winner of the Mystery Box Challenge, Lee is safe.

Invention Test 3: Since Lee got privilege to control the invention test. Lee got safe and can choose main ingredient to other contestants. Which the main ingredients are in group of "low quality ingredients" which are pork liver, pork stomach and pork lungs. Lee choose pork liver to Fah and Gamyui. Choose pork stomach to Billy, Beam and Pooh. Choose pork lungs to Jimmy, Ter and Tanwa. Time: 60 minutes Winner: Pooh Bottom Three: Jimmy, Fah, Tanwa Eliminated: Fah, Tanwa

References