Season 1

01 Episode 1 Episode 112th June 2013 Ha-na and her classmates are excited to start a new school year. However, Ms. Ma, is a cold-hearted witch, becomes their homeroom teacher. 02 Episode 2 Episode 213th June 2013 The students of Class 6-3 are very upset about Ms. Ma's unorthodox way of teaching. 03 Episode 3 Episode 319th June 2013 Ha-na feels bad seeing Bo-mi being mistreated by the other kids. 04 Episode 4 Episode 420th June 2013 The students of Class 6-3 act differently on the day of the festival from their decision to go up against Ms. Ma. 05 Episode 5 Episode 526th June 2013 Ha-na becomes the suspect of theft in the missing wallet case. 06 Episode 6 Episode 627th June 2013 Even though Ha-na is bullied by the girls at the swimming pool, she doesn't voice out. 07 Episode 7 Episode 73rd July 2013 Ms. Ma is going to hold special classes during summer break, and the kids are unhappy about it. 08 Episode 8 Episode 84th July 2013 Na-ri's mother tries to cover up her daughter's incident. Meanwhile, Ha-na, Bo-mi, and Dong-gu meet Seo-hyun's mother. 09 Episode 9 Episode 910th July 2013 Seo-hyun overhears her mother and the doctor's conversation and finds out that Ms. Oh's days are limited. 10 Episode 10 Episode 1011th July 2013 Sooner or later, the students will realize how stupid their choices are and face the consequences. 11 Episode 11 Episode 1117th July 2013 Do-jin, who left school for a new life in Canada, returns to school, but not everyone welcomes him. 12 Episode 12 Episode 1218th July 2013 Ms. Ma intends to transfer Dong-gu to another school, but his classmates try to stop that from happening. 13 Episode 13 Episode 1324th July 2013 Parent-teacher meetings get underway, and Ms. Ma has no intentions of hiding the truth from their parents. 14 Episode 14 Episode 1425th July 2013 Although Ms. Ma thinks foolishly of Ha-na's question, Ha-na tells her she believes she is a good teacher. 15 Episode 15 Episode 1531st July 2013 The kids are coming out aggressively against Yeo-jin's suspension. They are willing to do whatever it takes. 16 Episode 16 Episode 161st August 2013 Grade six has come to an end. The children will become decent middle school students thanks to Yeo-jin.