Season 1 (2011)

Episode 1
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February 20, 2011

Episode 1 of Season 1 premiered on February 20, 2011

Yongin Seongji High School
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October 23, 2016

Episode 841 of Season 1 premiered on October 23, 2016

Episode 847
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December 18, 2016

Episode 847 of Season 1 premiered on December 18, 2016

Episode 848
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December 25, 2016

Episode 848 of Season 1 premiered on December 25, 2016