The second Semi-Finals show! See 10 of the top 40 contestants perform to win the viewers vote! Who will you vote for?

The top two performers, from the previous episode are Matt Chadwick and Kelly Cavuoto voted in by the Australian public to be in the fianl 12.

The judges have decided on 10 contestants to recieve a second-chance to make it to the finals! Two people will be selected - one by the judges and one by the Australian voting public. Who will it be?

Based on the performances in the previous episode, The 10 wildcards will fight for the two positions left in the finals! The judges will choose one person, while the viewers will choose the other!

Watch as the top 12 perform hits from the in their first live performance on a new stage!

Two people will have their 'Idol' run come to an end tonight with the result of the public vote to be announced.

Watch as the top 10 perform songs that have reached number one on the Aussie Charts!

Who from the top 10 will survive to be in the Top Eight? Find out tonight!

Watch the top 8 perform songs from Aussie artists in front of a live audience! What will the judges say this week?

Who's performance of an Australian artist has gotten them through to the top six?

Remember the great music from the ? Well, the six finalists are here to jog your memory!

Who rocked the 80's the most? Find out in tonight's live verdict!

The five remaining Idols are singing the blues, rhythem and blues that is! A very special guest star, international R&B star Usher will be guesting on this episode.

Who will make it to the top 4? Find out tonight!

How will the final four Idol contestants go when they sing with a 'Big Band'?

Which performer earnt the BIG votes from their BIG Band performance? And who will be leaving the group tonight, leaving the numbers down to three!

Groovy baby! Watch as the three finalists: Guy, Shannon and Cosima battle it out in this 60's special!

Who wowed the audience and recieved the most votes from their 60's performances the night before? Is the last night for Cosima, Guy or Shannon?

It's come down to this - the grand finale which will announce the winner of the first Australian Idol!!! Who will it be in this two hour finale including performances by the other finalists and other members of the top 40!