An inspector from the Educational Rights Protection Bureau (ERPB) who is authorized by the government to use physical intervention and unconventional methods to discipline delinquent students and reform the educational system.

Weekly Idol is back with all new hosts. Cho Sae Ho, Hwang Kwang Hee and Nam Chang Hee are sticking together as a new unit group for Weekly Idol, a.k.a CKN Trio, to turn the idol world upside down! Get ready for their hot debut! Cho Sae Ho transforms himself into an idol expert. The hottest entertainer in the show business is marching into the idol world after taking over variety shows and he's more than ready to dominate the show with his amazing look and talents. They say idols understand each other best! As soon as being discharged from military service, Hwang Kwang Hee is reenlisted in Weekly Idol as a senior and a mentor to cheer his fellow idol friends. And lastly, the hidden card of the trio, Nam Chang Hee joins Weekly Idol. With his irresistible charms and talents, Nam Chang Hee becomes the irreplaceable member of Weekly Idol and shows off his amazing chemistry with idols.

A boy falls to his death at school, but Ok Chan-mi does not believe that her twin brother, Park Won-seok, committed suicide. Chan-mi transfers to her brother's school, Yongtan High, and meets Ji Soo-heon, who witnessed her brother's death. A "hero," who avenges bullied students, appears at Yongtan High. Chan-mi speculates that it may be connected to her brother and starts looking for this hero.

Competitors are given elaborate masks to wear in order to conceal their identity, thus removing factors such as popularity, career and age that could lead to prejudiced voting. In the first round, a pair of competitors sing the same song, while in the second and third rounds they each sing a solo song. After the First Generation, the winner of the Third Round goes on to challenge the Mask King, and is either eliminated or replaces the previous Mask King through live voting. The identities of the singers are not revealed unless they have been eliminated.

The story of the series revolves around two families Geumgane and Hangane from different cultural backgrounds. They meet when their parents remarry in the twilight of life, and they become one family. The series follows the conflict, understanding and harmony of the extended family, showing meaning of a true family.

Pop stars and impersonators face off to be the last one standing as the audience tries to determine the real singer by listening to their voices only.

The story of model student Se-hoon, who goes to the student council elections as a running mate to renew his image, and gradually becomes the core of the election.

Raised like brothers, Haebom and Taesung start to feel something more as high school brings them closer than ever.

Vying for a coveted spot as trot music's next big thing, 100 singers show off all they've got to capture the celebrity judges' hearts.

MBC's brand new fusion music variety program aims to create the nation's top trot boy group, with the group's members hand-selected by a unique team of producers! Heading the program will be trot queen Jang Yoon Jung as 'Favorite Entertainment's official head producer. Top female comedian Kim Shin Young and veteran idol group leader Super Junior's Leeteuk join Jang Yoon Jung as the agency's two head managers. These three stars from very different entertainment genres will be teaming up for a never-before-seen challenge.