Episode 01: Top 50 Begins - BBQ Challenge Episode 02: Signature Dish Episode 03: Bottom 10 Elimination Challenge Episode 04: 10 More Spots with Matt Moran Episode 05: Masterclass 1 Episode 06: The Top 24 - Mystery Box Challenge Episode 07: Childhood Memory Invention Test Episode 08: Chef Challenge - Luke Nguyen Episode 09: Italian Restaurant Team Challenge Episode 10: Eggy Elimination Challenge Episode 11: Masterclass 2 Episode 12: Mystery Box & Invention Test Episode 13: Pressure Test - Peter Gilmore Episode 14: Chef Challenge - Philippa Sibley Episode 15: Kids Birthday Team Challenge Episode 16: Fix That Dish Elimination Episode 17: Masterclass 3 Episode 18: Mystery Box & Invention Test Episode 19: Black Forest Cake Pressure Test Episode 20: Chef Challenge - Justin North Episode 21: Classic French Meal Team Challenge Episode 22: Name That Herg Elimination Episode 23: Masterclass 4 Episode 24: Mystery Box & Invention Test Episode 25: Schnitzel & Chips Pressure Test Episode 26: Chef Challenge - Restaurant Arras Episode 27: Normal Family Meal Team Challenge Episode 28: Bouillabaisse Taste Test Elimination Episode 29: Masterclass 5 Episode 30: Pizza Over Challenge Episode 31: Duck Two Ways Pressure Test Episode 32: Chef Challenge - Frank Camorra Episode 33: The Press Club Team Challenge Episode 34: Mystery Box Elimination Challenge Episode 35: Masterclass 6 Episode 36: Mystery Box & Invention Test Episode 37: Seafood Platter Pressure Test Episode 38: Chef Challenge - Maggie Beer Episode 39: Pacific Jewel Team Challenge Episode 40: Taste Test Elimination Challenge Episode 41: Masterclass 7 Episode 42: Mystery Box & Invention Test Episode 43: Oyster Terrine Pressure Test Episode 44: Chef Challenge - Aaron vs Adam Episode 45: Molecular Gastronomy Team Challenge Episode 46: Chicken Korma & Name Spices Elimination Episode 47: Masterclass 8 Episode 48: Mystery Box & Invention Test Episode 49: Beef Stroganoff Pressure Test Episode 50: Chef Challenge - Josh Emett Episode 51: Qantas Business Team Challenge Episode 52: Carrot Cake Elimination Challenge Episode 53: Masterclass 9 Episode 54: London Week Day 1: Invention Test Episode 55: London Week Day 2: Heston Pressure Test Episode 56: London Week Day 2: Chef Challenge - Martin Blunos Episode 57: London Week Day 3: Super Off Site Challenge Episode 58: London Week Day 4: Elimination Challenge Episode 59: Masterclass 10 Episode 60: Return Elimination Challenge 1 Episode 61: Return Elimination Challenge 2 Episode 62: Chef Challenge - Mitchell Orr Episode 63: CWA Team Challenge Episode 64: Taste Test Elimination Challenge Episode 65: Masterclass 11 Episode 66: Mystery Box & Invention Test Episode 67: Macaron Tower Pressure Test Episode 68: Chef Challenge - Adam Melona Episode 69: Army Base Team Challenge Episode 70: Thai Satay Sauce Elimination Challenge Episode 71: Masterclass 12 Episode 72: Mystery Box & Invention Test Episode 73: Pressure Test - Christine Manfield Episode 74: Chef Challenge - Shaun Presland Episode 75: Signature Dish Challenge Episode 76: Guess that Fish Elimination Challenge Episode 77: Masterclass 13 Episode 78: Finals Week - Day 1 - Invention Test Episode 79: Finals Week - Day 2 - Pressure Test Episode 80: Finals Week - Day 3 - Mystery Box Challenge Episode 81: Finals Week - Day 4 - Signature Dish Challenge Episode 82: Finals Week - Day 5 - Off Site Challenge Episode 83: Finals Week - Day 6 - Final Masterclass Episode 84: Grand Final - Welcome Masterchef 2010