Invincible Youth (Hangul: 청춘불패) is a South Korean variety show.
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 farmwork.
On May 14, 2010. G7 had their last episode with Sunny and Yuri (SNSD) and Hyuna(4 minute) due to their conflicting schedules.