Both dramas have totally different stories but they share some similarities:
-Both MLs are adults who go back to being high school students. In 18 Again, the ML regresses back to his young body while in Undercover HighSchool, the ML dresses up as a school student.
-Family related members attend the same school as the MLs
-Both MLs struggle to adapt to modern day slangs and are seen as "odd" by the students.
-There is a bullying arc in both dramas in which the ML steps in and defends the victim.
-Both MLs are adults who go back to being high school students. In 18 Again, the ML regresses back to his young body while in Undercover HighSchool, the ML dresses up as a school student.
-Family related members attend the same school as the MLs
-Both MLs struggle to adapt to modern day slangs and are seen as "odd" by the students.
-There is a bullying arc in both dramas in which the ML steps in and defends the victim.
