Canadian Idol (season 3)
won the title of the first female Canadian Idol and the youngest Idol ever in Canada in 2005, beating runner-up Rex Goudie.
Semi-Finals
Semifinal Group 1 (14 June 2005)
;Notes- Daryl Brunt and Ashley Leitão advanced to the top 10 of the competition. The other 6 contestants were eliminated.
- Dianelys Hernandez and Stephane Aubin returned for a second chance at the top 10 in the Wildcard Round.
Semifinal Group 2 (21 June 2005)
- Casey LeBlanc and Emily Vinette advanced to the top 10 of the competition. The other 6 contestants were eliminated.
- Josh Palmer and Vince Benenati returned for a second chance at the top 10 in the Wildcard Round.
Semifinal Group 3 (28 June 2005)
- Amber Fleury and Rex Goudie advanced to the top 10 of the competition. The other 6 contestants were eliminated.
- Devika Mathur and Barrett Peitsch returned for a second chance at the top 10 in the Wildcard Round.
Semifinal Group 4 (5 July 2005)
- Melissa O'Neil and Suzi Rawn advanced to the top 10 of the competition. The other 6 contestants were eliminated.
- Luke O'Reilly and Aaron Walpole returned for a second chance at the top 10 in the Wildcard Round.
Wildcard (12 July 2005)
- Aaron Walpole and Josh Palmer received the most votes, and completed the top 10.
Finals
Top 10 (19 July 2005)
Theme: Canadian Hits| Order | Artist | Song | Result |
| 1 | Aaron Walpole | "You Ain't Seen Nothing Yet" | Safe |
| 2 | Emily Vinette | "Crying" | Eliminated |
| 3 | Daryl Brunt | "With These Eyes" | Bottom two |
| 4 | Suzi Rawn | "Everytime I See Your Picture" | Safe |
| 5 | Melissa O'Neil | "Believe in You" | Bottom three |
| 6 | Ashley Leitão | "Let It Rain" | Safe |
| 7 | Rex Goudie | "Born to Be Wild" | Safe |
| 8 | Amber Fleury | "Possession" | Safe |
| 9 | Josh Palmer | "Hallelujah" | Safe |
| 10 | Casey LeBlanc | "From This Moment On" | Safe |
Top 9 (26 July 2005)
Theme: Stevie Wonder| Order | Artist | Song | Result |
| 1 | Casey LeBlanc | "Heaven Help Us All" | Safe |
| 2 | Josh Palmer | "That Girl" | Bottom three |
| 3 | Amber Fleury | "Lately" | Safe |
| 4 | Daryl Brunt | "Superstition" | Safe |
| 5 | Ashley Leitão | "Sir Duke" | Eliminated |
| 6 | Rex Goudie | "Pastime Paradise" | Safe |
| 7 | Melissa O'Neil | "Living for the City" | Bottom two |
| 8 | Aaron Walpole | "You Haven't Done Nothin'" | Safe |
| 9 | Suzi Rawn | "Higher Ground" | Safe |
Top 8 (2 August 2005)
Theme: The 80s| Order | Artist | Song | Result |
| 1 | Amber Fleury | "Just Like Jesse James" | Eliminated |
| 2 | Rex Goudie | "Every Breath You Take" | Safe |
| 3 | Casey LeBlanc | "Like a Prayer" | Safe |
| 4 | Daryl Brunt | "Tainted Love" | Safe |
| 5 | Suzi Rawn | "Heartbreaker" | Bottom two |
| 6 | Aaron Walpole | "Working for the Weekend" | Safe |
| 7 | Josh Palmer | "In the Air Tonight" | Bottom three |
| 8 | Melissa O'Neil | "Holding Out for a Hero" | Safe |
Top 7 (9 August 2005)
Theme: Standards| Order | Artist | Song | Result |
| 1 | Suzi Rawn | "Minnie the Moocher" | Safe |
| 2 | Aaron Walpole | "I Can't Believe That You're in Love with Me" | Bottom two |
| 3 | Melissa O'Neil | "It's De-Lovely" | Safe |
| 4 | Josh Palmer | "When I Fall in Love" | Safe |
| 5 | Rex Goudie | "Feeling Good" | Safe |
| 6 | Casey LeBlanc | "I Could Write a Book" | Bottom three |
| 7 | Daryl Brunt | "What a Wonderful World" | Eliminated |
Top 6 (16 August 2005)
Theme: Classic Rock| Order | Artist | Song | Result |
| 1 | Melissa O'Neil | "Alone" | Safe |
| 2 | Rex Goudie | "Turn the Page" | Bottom three |
| 3 | Casey LeBlanc | "I'll Stand by You" | Safe |
| 4 | Aaron Walpole | "Hot Blooded" | Safe |
| 5 | Suzi Rawn | "Piece of My Heart" | Bottom two |
| 6 | Josh Palmer | "Layla" | Eliminated |
Top 5 (23 August 2005)
Theme: Burton Cummings & The Guess Who| Order | Artist | Song | Result |
| 1 | Rex Goudie | "No Sugar Tonight" | Safe |
| 2 | Casey LeBlanc | "Timeless Love" | Eliminated |
| 3 | Suzi Rawn | "American Woman" | Bottom two |
| 4 | Melissa O'Neil | "My Own Way to Rock" | Safe |
| 5 | Aaron Walpole | "These Eyes" | Safe |
Top 4 (30 August 2005)
Theme: Elvis Presley| Order | Artist | First song | Second song | Result |
| 1 | Aaron Walpole | " Teddy Bear" | "Love Me Tender" | Safe |
| 2 | Suzi Rawn | "Heartbreak Hotel" | "Can't Help Falling in Love" | Eliminated |
| 3 | Melissa O'Neil | "A Little Less Conversation" | "You'll Never Walk Alone" | Safe |
| 4 | Rex Goudie | "Blue Suede Shoes" | "If I Can Dream" | Safe |
Top 3 (6 September 2005)
Theme: The Barenaked Ladies| Order | Artist | First song | Second song | Result |
| 1 | Rex Goudie | "Brian Wilson" | "Call and Answer" | Safe |
| 2 | Aaron Walpole | "Break Your Heart" | "Enid" | Eliminated |
| 3 | Melissa O'Neil | "The Old Apartment" | "When I Fall" | Safe |