MasterChef US Season 9 Episode 3 - The Judges Do Battle: Part 3. If a judge chooses a cook to wear an apron, they will be mentored to potentially become the next MASTERCHEF. Subscribe now for more MasterChef clips: . MasterChef US Season 9 Episode 2 - The Judges Do Battle: Part 2. MasterChef US Season 9 Episode 1 - The Judges Do Battle: Part 1. Season 09, Eposode 02 – ”The Judges Do Battle, Pt. 2″ Judges Gordon Ramsay, Aarón Sánchez and Joe Bastianich each will have eight aprons to hand out to .