Question: When did  "The Glee Project" start airing?
About the article "Glee (TV series)", section "Related media".

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 The Glee Project   
 "The Glee Project".
In early 2011, Pearce auditioned for "The Glee Project", a singing/acting reality show where the winner would receive a seven-episode arc on the third season of "Glee".
Throughout the show, her identity has become "the theater girl", mostly because the producers and other participants of the show felt like she was always enacting, instead of trying to show her true feelings, even when asked.
She reached the show's finale, but did not win the competition; however, the producers gave her and the other runner-up, Alex Newell, each a two-episode arc on "Glee". 
The Glee Project is an American reality television series from Oxygen.
It served as an audition for the FOX musical comedy series "Glee", and the prize for the winner was a minimum seven-episode arc in the following season of the show.
The show's first season premiered in the US on June 12, 2011, and concluded on August 21, 2011.
In Canada, the series began airing on Slice on June 26, 2011, and in the UK, the series began airing on Sky1 on July 14, 2011.
A second season aired in the US from June 5 to August 14, 2012.
In July 2013, it was announced that The Glee Project would not return for a third season.
"Glee" executive producers Ryan Murphy and Dante Di Loreto executive produced for "The Glee Project".
"Glee" casting director, Robert Ulrich, was casting director for the project, while "Glee" on-screen non-speaking accompanist, Brad Ellis, helping Ulrich coach 80 potential candidates as seen in the music segment of "The Top 12" special that led into the pilot episode of season 1. 
Although "Glee" became a Top 10 series when it began airing after "American Idol" on April 13, it did not rank in the Top 30 prime time programs when averaged with its Fall 2009 airings.
Likewise, "V" began as a Top 40 series during its Fall 2009 airings.
As the season progressed, it averaged outside of the Top 50 programs. 
The twelve main cast members from the first season returned for the second: Matthew Morrison as glee club director Will Schuester, Jane Lynch as cheerleading coach Sue Sylvester, Jayma Mays as guidance counselor Emma Pillsbury, Jessalyn Gilsig as Will's former wife Terri Schuester and Dianna Agron, Chris Colfer, Kevin McHale, Lea Michele, Cory Monteith, Amber Riley, Mark Salling and Jenna Ushkowitz as glee club members Quinn Fabray, Kurt Hummel, Artie Abrams, Rachel Berry, Finn Hudson, Mercedes Jones, Noah "Puck" Puckerman and Tina Cohen-Chang, respectively.
Heather Morris and Naya Rivera, who portrayed the formerly recurring roles of Brittany Pierce and Santana Lopez, were promoted to series regulars, as was Mike O'Malley as Kurt's father Burt Hummel.
Supporting cast members Harry Shum, Jr. and Ashley Fink had increased roles as New Directions members Mike Chang and Lauren Zizes.
Two recurring cast members from season one did not return: Dijon Talton's glee club member Matt Rutherford was written out as having transferred, and Patrick Gallagher's football coach Ken Tanaka was replaced by Dot-Marie Jones as Shannon Beiste.
Returning secondary characters included Iqbal Theba as Principal Figgins, Stephen Tobolowsky as former glee club director Sandy Ryerson, Romy Rosemont as Finn's mother Carole Hudson, Max Adler as school bully Dave Karofsky and James Earl as his fellow bully Azimio, Josh Sussman as school reporter Jacob Ben Israel, Lauren Potter as cheerleader Becky Jackson, Jonathan Groff as Rachel's ex-boyfriend Jesse St. James, and Kristin Chenoweth as former glee club star April Rhodes.
The season introduced several new recurring characters: Chord Overstreet was cast as transfer student Sam Evans; Darren Criss appeared as Blaine Anderson, lead singer of rival glee club the Dalton Academy Warblers; Cheyenne Jackson played Dustin Goolsby, the coach of rival glee club Vocal Adrenaline; Charice appeared as Sunshine Corazon, a foreign exchange student from the Philippines and a rival to Rachel who ultimately joins Vocal Adrenaline; John Stamos played dentist Carl Howell, a love interest for Emma; and Gwyneth Paltrow appeared as substitute teacher Holly Holliday.
Meat Loaf and Barry Bostwick, who both starred in "The Rocky Horror Picture Show", appeared in "Glee" Halloween "Rocky Horror" tribute episode, playing right-wing television station managers and colleagues of Sue.
Adam Kolkin portrayed an eight-year-old Kurt in the third episode of the season, and in the seventh episode, child actors portraying preschool-aged versions of New Directions were featured.
Sue's mother Doris Sylvester was also introduced this season, played by Carol Burnett.
Journalist Katie Couric made a guest appearance as herself when she interviewed Sue during "The Sue Sylvester Shuffle".
A reality series featuring open auditions for the show was intended to air on Fox in advance of the season, but was cancelled due to Murphy's desire to concentrate on the main series, and fear that the distraction of the reality show might damage "Glee".
The idea was picked up by Oxygen, and "The Glee Project" began airing in June 2011, after the end of season.
The winner was to receive a multi-episode guest-starring role in "Glee" third season; in the finale, all four finalists were given prizes: there were two winners of seven-episode arcs, and two runners-up who were given two episodes each.