Ratings
| Episode No. | Title | Airdate | Ratings | Nightly Rank | Weekly Rank |
|---|---|---|---|---|---|
| 1 | Audition 1 | 24 August 2008 | 1,400,000 | 4th | 15th |
| 2 | Audition 2 | 25 August 2008 | 1,257,000 | 8th | 26th |
| 3 | Audition 3 | 26 August 2008 | 1,098,000 | 13th | 37th |
| 4 | Audition 4 | 27 August 2008 | 1,240,000 | 10th | 28th |
| 5 | Audition 5 | 28 August 2008 | 1,148,000 | 8th | 34th |
| 6 | Audition 6 | 29 August 2008 | 1,033,000 | 7th | 45th |
| 7 | Top 100 | 31 August 2008 | 1,310,000 | 7th | 22nd |
| 8 | Semi Final 1 | 1 September 2008 | 1,204,000 | 9th | 32nd |
| 9 | Semi Final 2 | 2 September 2008 | 1,257,000 | 9th | 28th |
| 10 | Semi Final 3 | 3 September 2008 | 1,231,000 | 10th | 29th |
| 11 | Semi Final 4 | 4 September 2008 | 1,150,000 | 7th | 36th |
| 12 | Wildcard Performances | 7 September 2008 | 1,193,000 | 8th | 28th |
| 13 | Wildcard Results | 8 September 2008 | 1,100,000 | 13th | 41st |
| 14 | Top 12 Performances | 14 September 2008 | 1,224,000 | 7th | 24th |
| 15 | Top 12 Results | 15 September 2008 | 1,027,000 | 12th | 47th |
| 16 | Top 11 Performances | 21 September 2008 | 1,342,000 | 2nd | 18th |
| 17 | Top 11 Results | 22 September 2008 | 1,140,000 | 10th | 38th |
| 18 | Top 10 Performances | 28 September 2008 | 1,202,000 | 5th | 22nd |
| 19 | Top 10 Results | 29 September 2008 | 897,000 | 15th | 58th |
| 20 | Top 9 Performances | 5 October 2008 | 1,215,000 | 7th | 25th |
| 21 | Top 9 Results | 6 October 2008 | 971,000 | 13th | 41st |
| 22 | Top 8 Performances | 12 October 2008 | 1,194,000 | 8th | 28th |
| 23 | Top 8 Results | 13 October 2008 | 789,000 | 22nd | 80th |
| 24 | Top 7 Performances | 19 October 2008 | 1,138,000 | 6th | 29th |
| 25 | Top 7 Results | 20 October 2008 | 909,000 | 16th | 57th |
| 26 | Top 6 Performances | 26 October 2008 | 1,168,000 | 6th | 24th |
| 27 | Top 6 Results | 27 October 2008 | 903,000 | 17th | 52nd |
| 28 | Top 5 Performances | 2 November 2008 | 1,230,000 | 3rd | 18th |
| 29 | Top 5 Results | 3 November 2008 | 982,000 | 12th | 42nd |
| 30 | Top 4 Performances | 9 November 2008 | 1,127,000 | 6th | 26th |
| 31 | Top 4 Results | 10 November 2008 | 882,000 | 16th | 59th |
| 32 | Top 3 Performances | 16 November 2008 | 1,270,000 | 4th | 15th |
| 33 | Top 3 Results | 17 November 2008 | 1,079,000 | 12th | 33rd |
| 34 | Finale | 23 November 2008 | 1,600,000 | 1st | 2nd |
Read more about this topic: Australian Idol (season 6)