Season eight features the return of Mary Murphy and Nigel Lythgoe as permanent judges and Cat Deeley as host. Also returning is the selection of a Top 20 for the finals, in contrast to season 7's Top 11.
E5 · Meet the Top 20
E6 · Top 20 Perform
E7 · 2 of 20 Voted Off
E8 · Top 18 Perform
E9 · 4 of 20 Voted Off
E10 · Top 16 Perform
E11 · Two of 16 Voted Off
E12 · Top 14 Perform
E13 · Two of 14 Voted Off
E14 · Top 12 Perform
E15 · Two of 12 Voted Off
E16 · Top 10 Perform
E17 · Two of 10 Voted Off
E18 · Top 8 Perform
E19 · Two of 8 Voted Off
E20 · Top 6 Perform
E21 · Two of 6 Voted Off
E22 · Top 4 Perform
E23 · Finale: Winner Announced