S1 E1 • Individuality

The 12 finalist perform Katy Perry's "Firework"' for individuality week; a contender will get one-on-one time with Darren Criss.

Première diffusion : 12 juin 2011

S1 E2 • Theatricality

Idina Menzel guest mentors; the contenders sing Twisted Sister's ``We're Not Gonna Take It'; someone has their first kiss.

Première diffusion : 19 juin 2011

S1 E3 • Vulnerability

The contestants muts tap into their vulnerable sides in order to perform a memorable rendition of "Mad World."

Première diffusion : 26 juin 2011

S1 E4 • Dance Ability

The remaining contestants must show off their best moves when they are judged on their ability to dance.

Première diffusion : 10 juillet 2011

S1 E5 • Pairability

The remaining eight contestants are paired up in a challenge that demands cooperation: singing duets.

Première diffusion : 17 juillet 2011

S1 E6 • Tenacity

The contestants must prove to the mentors that they are tenacious enough to perform a mash-up song.

Première diffusion : 24 juillet 2011

S1 E7 • Sexuality

With only 6 Contenders left it's time to see who can portray their sexuality the best. The winner of this week's challenge will get to work with both Mark Salling (Noah "Puck" Puckerman) and Ashley Fink (Lauren Zizes). A shock at elimination causes a lot of surprise and disappointment.

Première diffusion : 31 juillet 2011

S1 E8 • Believability

Jenna Ushkowitz is on hand in a challenge that appraises the contestants' ability to be believable. The group also performs 'The Only Exception'.

Première diffusion : 7 août 2011

S1 E9 • Generosity

Kevin McHale makes an appearance when the remaining players' generosity is assessed. In addition, the homework assignment of My Chemical Romance's 'Sing' is boosted by the arrival of surprise guests. This week's music video will a mash-up of 'Defying Gravity' and 'Lean on Me'.

Première diffusion : 14 août 2011

S1 E10 • Glee-ality

In the season finale, the final four contestants face-off to win their dream role on Glee.

Première diffusion : 21 août 2011