Toronto Auditions
Episode: 4x01 | Airdate: Jun 20, 2011
Episodes
Vancouver, Edmonton and Saint John, NB Auditions
Episode: 4x02 | Airdate: Jun 27, 2011
Montreal Auditions
Episode: 4x03 | Airdate: Jun 28, 2011
Finals Week
Episode: 4x04 | Airdate: Jul 4, 2011
Top 20 (22) Reveal
Episode: 4x05 | Airdate: Jul 5, 2011
First Performance show of the season, Top 22 Perform
Episode: 4x06 | Airdate: Jul 11, 2011
First Results show of the season, Top 22 Results
Episode: 4x07 | Airdate: Jul 12, 2011
Top 20 Perform
Episode: 4x08 | Airdate: Jul 18, 2011
Top 20 Results
Episode: 4x09 | Airdate: Jul 19, 2011
Top 18 Perform
Episode: 4x10 | Airdate: Jul 25, 2011
Top 18 Results
Episode: 4x11 | Airdate: Jul 26, 2011
Top 16 Perform
Episode: 4x12 | Airdate: Aug 1, 2011
Top 16 Results
Episode: 4x13 | Airdate: Aug 2, 2011
Top 14 Perform
Episode: 4x14 | Airdate: Aug 8, 2011
Top 14 Results
Episode: 4x15 | Airdate: Aug 9, 2011
Top 12 Perform
Episode: 4x16 | Airdate: Aug 15, 2011
Top 12 Results
Episode: 4x17 | Airdate: Aug 16, 2011
Top 10 Perform
Episode: 4x18 | Airdate: Aug 22, 2011
Top 10 Results
Episode: 4x19 | Airdate: Aug 23, 2011
Top 8 Perform
Episode: 4x20 | Airdate: Aug 29, 2011
Top 8 Results
Episode: 4x21 | Airdate: Aug 30, 2011
Final 6 Perform
Episode: 4x22 | Airdate: Sep 5, 2011
Season 4 Finale
Episode: 4x23 | Airdate: Sep 11, 2011