Viewer ratings for KBS2's 'Invincible Youth' have been dropping week by week. According to AGB Nielsen Media Research, this week's episode of 'Invincible Youth', which aired on October 1st, received a nationwide viewer rating of 5.4%. This was 0.7% less than last week's episode, which had a viewer rating of 6.1%. Many have analyzed that the reason why the show's ratings are falling is because of the increasing popularity of 'Superstar K-2', which has currently been receiving ratings of over 10%. Meanwhile, Tablo's 'MBC Special' episode (where he goes to Stanford to prove the authenticity of his degrees) nabbed 12.3% of viewer ratings.�SBS's 'Star Couple Show Jagiya' recorded a disappointing 5.4% result. Source + Photo: AsiaE