Season Four

Week 1 (8/9 October)

 * Theme: Current Hits
 * Group performance: Happy
 * Musical guests:


 * Judges' vote to eliminate
 * Cole: Eternal Youth
 * JG: Eternal Youth
 * Walsh: Kaitliin
 * Mel B: Eternal Youth
 * Cowell: Kaitlin

Week 2 (8/9 October)

 * Theme: Disco Love
 * Group performance: Blame It On the Boogie
 * Musical guests:


 * Judges' vote to eliminate
 * Cole: Mick Johnson
 * JG: Mick Johnson
 * Walsh: Mick Johnson
 * Mel B: Sour Patch
 * Cowell: Mick Johnson