Invincible Youth was a South Korean variety show which aired its first season on KBS2 from October 23, 2009 to December 24, 2010. Season 1 featured seven girls (collectively known as G7) from K-pop idol groups wherein they experienced how it was to live and survive in the Korean rural outdoors. It started its second season on November 12, 2011 featuring eight girls.
In its first season, members from different girl groups (Sunny and Yuri from Girls' Generation) formed a 7-member group called G7. They went to a village named Yuchi-ri and experienced how to live in the Korean rural outdoors by doing farm work.