The X Factor

Jason Dundas

Self - Host

Guy Sebastian

Self - Judge

Adam Lambert

Self - Judge

Seasons

Season 1

36 episodes

Premiered Feb 6, 2005

Season 2

28 episodes

Premiered Aug 30, 2010

Season 3

32 episodes

Premiered Aug 29, 2011

Season 4

32 episodes

Premiered Aug 20, 2012

Season 5

32 episodes

Premiered Jul 29, 2013

Season 6

34 episodes

Premiered Jul 13, 2014

Season 7

20 episodes

Premiered Sep 13, 2015

Season 8

19 episodes

Premiered Oct 3, 2016

Episodes

1–6 of 36

Ep 1

Audition 1

Feb 6, 2005

Part 1 of the audition discovered some truly ""xtraordinary, xceptional and xciting"" Australian singing talent. Thousands of talented, ambitious and in some cases deluded contestants paraded past the three judges, who worked together as a majority rules selection panel. Contenders will now audition for one of three categories - solo artists 16-24, solo artists 25 plus, and vocal groups. Of the thousands of hopefuls, only 30 contestants will be chosen in each of the three categories. This episode's auditions were from Melbourne.

Ep 2

Audition 2

Feb 7, 2005

The search continues. Of the thousands of hopefuls, only 30 contestants will be chosen in each of the three categories. This episode's auditons were from Adelaide and Perth.

Ep 3

Audition 3

Feb 13, 2005

The search continues. Out of the thousands of hopefuls, only 30 contestants will be chosen for each of the three categories. This episode's auditons were from Brisbane.

Ep 4

Audition 4

Feb 14, 2005

The search continues. Out of the thousands of hopefuls, only 30 contestants will be chosen for each of the three categories. This episode's auditions were from Sydney. Mark Holden will mentor the Vocal Groups, Kate Ceberano will mentor the 16-24s and John Reid will mentor the 25 and overs.

Ep 5

Lockdown 1

Feb 20, 2005

After making it through the nationwide auditions, it will be revealed for the first time which judge will mentor which category. Kept secret from each other, each judge will assemble a team of people to help them decide who has got it and who doesn't. At the end of the three-day boot camp, each judge will have to cut their acts down from 30 contenders to just five.

Ep 6

Lockdown 2

Feb 21, 2005