Week 4, Night 1

1. Week 1, Night 12011-05-31 2. Week 2, Night 12011-06-07 3. Week 2, Night 2 - Part 12011-06-08 4. Week 2, Night 2 - Part 22011-06-08 5. Week 3, Night 12011-06-14 6. Week 4, Night 12011-06-21 7. Week 4, Night 22011-06-22 8. Week 5, Night 12011-06-28 9. Week 5, Night 22011-06-29 10. Week 6, Night 1 - Part 12011-07-05 11. Week 6, Night 1 - Part 22011-07-05 12. Week 6, Night 22011-07-06 13. Week 7, Night 12011-07-12 14. Week 7, Night 22011-07-13 15. Week 8, Night 12011-07-19 16. Week 8, Night 2 (Results)2011-07-20 17. Week 9, Night 12011-07-26 18. Week 9, Night 2 (Results)2011-07-27 19. Week 10, Night 12011-08-02 20. Week 10, Night 2 (Results)2011-08-03 21. Week 11, Night 1 - YouTube Special2011-08-09 22. Week 11, Night 2 - YouTube Special (Results)2011-08-10 23. Episode 232011-08-16 24. Episode 242011-08-17 25. Semi-Finals Part 1 Performances2011-08-23 26. Semi-Finals Part 1 Results2011-08-24 27. Semi-Finals Part 2 Performances2011-08-30 28. Semi-Finals Part 2 Results2011-08-31 29. Top 10 Perform2011-09-06 30. Top 10 Results2011-09-07 31. The Finals - Top 4 Perform2011-09-13 32. The Finals - Top 4 Results2011-09-14