Final 8: Disco

1 Auditions 1: Melbourne, Hobart & Alice Springs 2 Auditions 2: Perth & Adelaide 3 Auditions 3: Sydney & Townsville 4 Auditions 4: Queensland & Albury Wodonga 5 Top 125 6 Top 24 7 Semi Finals: Group 1 Perfom 8 Semi Finals: Group 1 Verdict & Group 2 Perform 9 Semi Finals: Group 2 Verdict & Group 3 Perform 10 Semi Finals: Group 3 Verdict & Group 4 Perform 11 Semi Finals: Group 4 Verdict 12 Wildcard: Performance 13 Wildcard: Verdict 14 Final 12: Contestant's Choice 15 Final 12: Verdict 16 Final 11: Rock 17 Final 11: Verdict 18 Final 10: Number One Hits 19 Final 10: Verdict 20 Final 9: The Year I Was Born 21 Final 9: Verdict 22 Final 8: Disco 23 Final 8: Verdict 24 Final 7: Acoustic/Contestant's Choice 25 Final 7: Verdict 26 Up Close And Personal: Originals 27 Final 6: Big Band/Rock Swings 28 Final 6: Verdict 29 Final 5: ARIA Hall Of Fame 30 Final 5: Verdict 31 Final 4: Audience Choice 32 Final 4: Verdict 33 Final 3: Judge's Choice 34 Final 3: Verdict 35 Grand Final: Performances 36 Grand Final: Verdict